cherry-pick recent release process changes to release branch (#6775)

* CocoaPods CI update (#6751)
* Finish port of update-versions.py (#6758)
* Some Release tooling cleanup (#6761)
* Rename ReleaseTooling (#6772)
* Address two comments from last week's PRs (#6774)
* Source updates for ReleaseTooling rename (#6773)

Author: paulb777

.github/workflows/zip.yml

@@ -3,10 +3,10 @@ name: zip
 on:
   pull_request:
     paths:
-    - 'ZipBuilder/**'
+    - 'ReleaseTooling/**'
     - '.github/workflows/zip.yml'
     # Don't run based on any markdown only changes.
-    - '!ZipBuilder/*.md'
+    - '!ReleaseTooling/*.md'
   schedule:
     # Run every day at midnight(PST) - cron uses UTC times
     - cron:  '0 8 * * *'
@@ -20,7 +20,7 @@ jobs:
     - uses: actions/checkout@v2
     - name: Build
       run: |
-        cd ZipBuilder
+        cd ReleaseTooling
         swift build -v
 
   package:

.gitignore

@@ -57,9 +57,9 @@ DerivedData
 
 # Swift Package Manager
 */.build
-ZipBuilder/Packages
-ZipBuilder/*.xcodeproj
-ZipBuilder/Package.resolved
+ReleaseTooling/Packages
+ReleaseTooling/*.xcodeproj
+ReleaseTooling/Package.resolved
 
 # Mint package manager
 Mint

.travis.yml

@@ -239,54 +239,24 @@ jobs:
 
     # Validate Cocoapods configurations
     # This may take long time, so we would like to run it only once all other tests pass
-    # Validate Cocoapods 1.7.0 compatibility
     - stage: test
       if: type = cron
       env:
-        - POD_CONFIG_DIR=Cocoapods1_7_0_multiprojects_frameworks
+        - POD_CONFIG_DIR=Cocoapods_multiprojects_frameworks
       script:
         - travis_retry ./CocoapodsIntegrationTest/scripts/build_with_environment.sh --gemfile=./CocoapodsIntegrationTest/TestEnvironments/${POD_CONFIG_DIR}/Gemfile --podfile=./CocoapodsIntegrationTest/TestEnvironments/${POD_CONFIG_DIR}/Podfile
 
     - stage: test
       if: type = cron
       env:
-        - POD_CONFIG_DIR=Cocoapods1_7_0_frameworks
-      script:
-        - travis_retry ./CocoapodsIntegrationTest/scripts/build_with_environment.sh --gemfile=./CocoapodsIntegrationTest/TestEnvironments/${POD_CONFIG_DIR}/Gemfile --podfile=./CocoapodsIntegrationTest/TestEnvironments/${POD_CONFIG_DIR}/Podfile
-
-    - stage: test
-      if: type = cron
-      env:
-        - POD_CONFIG_DIR=Cocoapods1_7_0_multiprojects_staticLibs
-      script:
-        - travis_retry ./CocoapodsIntegrationTest/scripts/build_with_environment.sh --gemfile=./CocoapodsIntegrationTest/TestEnvironments/${POD_CONFIG_DIR}/Gemfile --podfile=./CocoapodsIntegrationTest/TestEnvironments/${POD_CONFIG_DIR}/Podfile
-
-    - stage: test
-      if: type = cron
-      env:
-        - POD_CONFIG_DIR=Cocoapods1_7_0_staticLibs
-      script:
-        - travis_retry ./CocoapodsIntegrationTest/scripts/build_with_environment.sh --gemfile=./CocoapodsIntegrationTest/TestEnvironments/${POD_CONFIG_DIR}/Gemfile --podfile=./CocoapodsIntegrationTest/TestEnvironments/${POD_CONFIG_DIR}/Podfile
-
-    # Validate Cocoapods 1.6.1 compatibility
-    - stage: test
-      if: type = cron
-      env:
-        - POD_CONFIG_DIR=Cocoapods1_6_1_frameworks
-      script:
-        - travis_retry ./CocoapodsIntegrationTest/scripts/build_with_environment.sh --gemfile=./CocoapodsIntegrationTest/TestEnvironments/${POD_CONFIG_DIR}/Gemfile --podfile=./CocoapodsIntegrationTest/TestEnvironments/${POD_CONFIG_DIR}/Podfile
-
-    - stage: test
-      if: type = cron
-      env:
-        - POD_CONFIG_DIR=Cocoapods1_6_1_staticLibs
+        - POD_CONFIG_DIR=Cocoapods_multiprojects_staticLibs
       script:
         - travis_retry ./CocoapodsIntegrationTest/scripts/build_with_environment.sh --gemfile=./CocoapodsIntegrationTest/TestEnvironments/${POD_CONFIG_DIR}/Gemfile --podfile=./CocoapodsIntegrationTest/TestEnvironments/${POD_CONFIG_DIR}/Podfile
 
   allow_failures:
     # Run fuzz tests only on cron jobs.
     - stage: test
-      if: type = cron
+#      if: type = cron
       env:
         - PROJECT=Firestore PLATFORM=iOS METHOD=fuzz
       before_install: