feat: Automated regeneration of retail v2alpha client (#4516)

This PR was generated using Autosynth. 🌈


<details><summary>Log from Synthtool</summary>

```
2021-05-28 04:16:40,739 synthtool [DEBUG] > Executing /home/kbuilder/.cache/synthtool/google-api-ruby-client/synth.py.
On branch autosynth-retail-v2alpha
nothing to commit, working tree clean
2021-05-28 04:16:40,814 synthtool [DEBUG] > Running: docker run --rm -v/home/kbuilder/.cache/synthtool/google-api-ruby-client:/workspace -v/var/run/docker.sock:/var/run/docker.sock -w /workspace -e USER_GROUP=1000:1000 --entrypoint script/synth.rb gcr.io/cloud-devrel-kokoro-resources/yoshi-ruby/autosynth retail v2alpha
DEBUG:synthtool:Running: docker run --rm -v/home/kbuilder/.cache/synthtool/google-api-ruby-client:/workspace -v/var/run/docker.sock:/var/run/docker.sock -w /workspace -e USER_GROUP=1000:1000 --entrypoint script/synth.rb gcr.io/cloud-devrel-kokoro-resources/yoshi-ruby/autosynth retail v2alpha
git clean -df
bundle install
Don't run Bundler as root. Bundler can ask for sudo if it is needed, and
installing your bundle as root will break this application for all non-root
users on this machine.
Fetching gem metadata from https://rubygems.org/.........
Resolving dependencies...
Using rake 13.0.3
Fetching concurrent-ruby 1.1.8
Fetching minitest 5.14.4
Fetching zeitwerk 2.4.2
Fetching public_suffix 4.0.6
Installing zeitwerk 2.4.2
Installing public_suffix 4.0.6
Installing minitest 5.14.4
Installing concurrent-ruby 1.1.8
Fetching ast 2.4.2
Installing ast 2.4.2
Using bundler 2.2.17
Fetching byebug 11.1.3
Fetching coderay 1.1.3
Installing byebug 11.1.3 with native extensions
Installing coderay 1.1.3
Fetching json 2.5.1
Installing json 2.5.1 with native extensions
Fetching docile 1.4.0
Installing docile 1.4.0
Fetching simplecov-html 0.10.2
Installing simplecov-html 0.10.2
Using sync 0.5.0
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Installing thor 1.1.0
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Fetching diff-lcs 1.4.4
Fetching dotenv 2.7.6
Installing diff-lcs 1.4.4
Installing dotenv 2.7.6
Fetching fakefs 0.20.1
Fetching faraday-em_http 1.0.0
Installing fakefs 0.20.1
Installing faraday-em_http 1.0.0
Fetching faraday-em_synchrony 1.0.0
Fetching faraday-excon 1.1.0
Installing faraday-em_synchrony 1.0.0
Installing faraday-excon 1.1.0
Fetching faraday-net_http 1.0.1
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Installing faraday-net_http_persistent 1.1.0
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Fetching multipart-post 2.1.1
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Installing ruby2_keywords 0.0.4
Installing multipart-post 2.1.1
Fetching gems 1.2.0
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Installing gems 1.2.0
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Installing jwt 2.2.3
Fetching memoist 0.16.2
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Installing memoist 0.16.2
Installing multi_json 1.15.0
Fetching os 0.9.6
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Installing httpclient 2.8.3
Installing mini_mime 1.1.0
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Fetching retriable 3.1.2
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Installing retriable 3.1.2
Fetching webrick 1.7.0
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Fetching mime-types-data 3.2021.0225
Installing hashdiff 1.0.1
Installing webrick 1.7.0
Installing mime-types-data 3.2021.0225
Fetching multi_xml 0.6.0
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Installing addressable 2.7.0
Installing i18n 1.8.10
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Installing tzinfo 2.0.4
Installing tins 1.29.1
Fetching crack 0.4.5
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Installing faraday 1.4.2
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Installing webmock 2.3.2
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Installing term-ansicolor 1.7.1
Installing signet 0.15.0
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Installing rspec 3.10.0
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Installing json_spec 1.1.5
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Installing google-apis-core 0.3.0
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Fetching google-apis-discovery_v1 0.4.0
Installing google-apis-discovery_v1 0.4.0
Using google-apis-generator 0.2.0 from source at `.` and installing its executables
Bundle complete! 25 Gemfile dependencies, 86 gems now installed.
Use `bundle info [gemname]` to see where a bundled gem is installed.
Post-install message from httparty:
When you HTTParty, you must party hard!
echo a | bundle exec bin/generate-api gen /workspace/generated --api=retail.v2alpha --names=/workspace/api_names.yaml --names-out=/workspace/api_names_out.yaml --spot-check
Loading retail, version v2alpha from https://raw.githubusercontent.com/googleapis/discovery-artifact-manager/master/discoveries/retail.v2alpha.json
    conflict  google-apis-retail_v2alpha/lib/google/apis/retail_v2alpha/classes.rb
<v2alpha/classes.rb? (enter "h" for help) [Ynaqdhm] a
       force  google-apis-retail_v2alpha/lib/google/apis/retail_v2alpha/classes.rb
    conflict  google-apis-retail_v2alpha/lib/google/apis/retail_v2alpha/representations.rb
       force  google-apis-retail_v2alpha/lib/google/apis/retail_v2alpha/representations.rb
    conflict  google-apis-retail_v2alpha/lib/google/apis/retail_v2alpha/gem_version.rb
       force  google-apis-retail_v2alpha/lib/google/apis/retail_v2alpha/gem_version.rb
    conflict  google-apis-retail_v2alpha/CHANGELOG.md
       force  google-apis-retail_v2alpha/CHANGELOG.md
Don't run Bundler as root. Bundler can ask for sudo if it is needed, and
installing your bundle as root will break this application for all non-root
users on this machine.
Fetching gem metadata from https://rubygems.org/.........
Resolving dependencies...
Using rake 13.0.3
Using public_suffix 4.0.6
Using bundler 2.2.17
Using declarative 0.0.20
Using diff-lcs 1.4.4
Using faraday-em_http 1.0.0
Using faraday-em_synchrony 1.0.0
Using faraday-excon 1.1.0
Using faraday-net_http 1.0.1
Using faraday-net_http_persistent 1.1.0
Using multipart-post 2.1.1
Using ruby2_keywords 0.0.4
Using jwt 2.2.3
Using memoist 0.16.2
Using multi_json 1.15.0
Using httpclient 2.8.3
Using mini_mime 1.1.0
Fetching os 1.1.1
Using trailblazer-option 0.1.1
Using uber 0.1.0
Using retriable 3.1.2
Using rexml 3.2.5
Using webrick 1.7.0
Using opencensus 0.5.0
Using redcarpet 3.5.1
Using rspec-support 3.10.2
Using yard 0.9.26
Using addressable 2.7.0
Using faraday 1.4.2
Using rspec-core 3.10.1
Using representable 3.1.1
Using rspec-expectations 3.10.1
Using rspec-mocks 3.10.2
Using signet 0.15.0
Using rspec 3.10.0
Installing os 1.1.1
Using googleauth 0.16.2
Using google-apis-core 0.3.0
Using google-apis-retail_v2alpha 0.9.0 from source at `.`
Bundle complete! 8 Gemfile dependencies, 38 gems now installed.
Use `bundle info [gemname]` to see where a bundled gem is installed.
/root/.rbenv/versions/2.6.7/bin/ruby -I/root/.rbenv/versions/2.6.7/lib/ruby/gems/2.6.0/gems/rspec-core-3.10.1/lib:/root/.rbenv/versions/2.6.7/lib/ruby/gems/2.6.0/gems/rspec-support-3.10.2/lib /root/.rbenv/versions/2.6.7/lib/ruby/gems/2.6.0/gems/rspec-core-3.10.1/exe/rspec --pattern spec/\*\*\{,/\*/\*\*\}/\*_spec.rb

Google::Apis::RetailV2alpha
  should load

Finished in 0.32679 seconds (files took 0.099 seconds to load)
1 example, 0 failures

Files:           4
Modules:         3 (    1 undocumented)
Classes:        71 (    0 undocumented)
Constants:       5 (    0 undocumented)
Attributes:    115 (    0 undocumented)
Methods:       159 (    0 undocumented)
 99.72% documented
google-apis-retail_v2alpha 0.9.0 built to pkg/google-apis-retail_v2alpha-0.9.0.gem.
   identical  /workspace/api_names_out.yaml
chown -R 1000:1000 /workspace/generated
2021-05-28 04:17:08,459 synthtool [DEBUG] > Wrote metadata to generated/google-apis-retail_v2alpha/synth.metadata.
DEBUG:synthtool:Wrote metadata to generated/google-apis-retail_v2alpha/synth.metadata.

```
</details>

Full log will be available here:
https://source.cloud.google.com/results/invocations/ed48cb7b-6916-4a42-a919-37bc66e39ac7/targets

- [ ] To automatically regenerate this PR, check this box. (May take up to 24 hours.)

Author: yoshi-automation

generated/google-apis-retail_v2alpha/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Release history for google-apis-retail_v2alpha
 
+### v0.9.0 (2021-05-28)
+
+* Regenerated from discovery document revision 20210521
+
 ### v0.8.0 (2021-05-22)
 
 * Regenerated from discovery document revision 20210514

generated/google-apis-retail_v2alpha/lib/google/apis/retail_v2alpha/classes.rb

@@ -1797,12 +1797,6 @@ class GoogleCloudRetailV2alphaUserEvent
         # @return [String]
         attr_accessor :search_query
 
-        # Represents the user sessions to aggregate user behavior within a time period.
-        # If not set, heuristics will be used to autogenerate one.
-        # Corresponds to the JSON property `sessionId`
-        # @return [String]
-        attr_accessor :session_id
-      
         # Complete URL (window.location.href) of the user's current page. When using the
         # client side event reporting with JavaScript pixel and Google Tag Manager, this
         # value is filled in automatically. Maximum length 5,000 characters.
@@ -1845,7 +1839,6 @@ def update!(**args)
           @purchase_transaction = args[:purchase_transaction] if args.key?(:purchase_transaction)
           @referrer_uri = args[:referrer_uri] if args.key?(:referrer_uri)
           @search_query = args[:search_query] if args.key?(:search_query)
-          @session_id = args[:session_id] if args.key?(:session_id)
           @uri = args[:uri] if args.key?(:uri)
           @user_info = args[:user_info] if args.key?(:user_info)
           @visitor_id = args[:visitor_id] if args.key?(:visitor_id)

generated/google-apis-retail_v2alpha/lib/google/apis/retail_v2alpha/gem_version.rb

@@ -16,13 +16,13 @@ module Google
   module Apis
     module RetailV2alpha
       # Version of the google-apis-retail_v2alpha gem
-      GEM_VERSION = "0.8.0"
+      GEM_VERSION = "0.9.0"
 
       # Version of the code generator used to generate this client
       GENERATOR_VERSION = "0.2.0"
 
       # Revision of the discovery document this client was generated from
-      REVISION = "20210514"
+      REVISION = "20210521"
     end
   end
 end

generated/google-apis-retail_v2alpha/lib/google/apis/retail_v2alpha/representations.rb

@@ -908,7 +908,6 @@ class Representation < Google::Apis::Core::JsonRepresentation
 
           property :referrer_uri, as: 'referrerUri'
           property :search_query, as: 'searchQuery'
-          property :session_id, as: 'sessionId'
           property :uri, as: 'uri'
           property :user_info, as: 'userInfo', class: Google::Apis::RetailV2alpha::GoogleCloudRetailV2alphaUserInfo, decorator: Google::Apis::RetailV2alpha::GoogleCloudRetailV2alphaUserInfo::Representation
 

generated/google-apis-retail_v2alpha/synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-api-ruby-client.git",
-        "sha": "7ed099b96ea9a83f2790af0d5838a2cf89d74a6e"
+        "sha": "02dde1923e8a13e3372c716c33dec0d4091919e0"
       }
     }
   ]