(MODULES-10945) Do not install PDK when running PR tests

Create a separate group in the Gemfile for pdk and puppet-blacksmith
which are only used for releasing. In the workflow, avoid installing the
release group.

Author: GabrielNagy

.github/workflows/daily_unit_tests_with_nightly_puppet_gem.yaml

@@ -52,6 +52,7 @@ jobs:
         run: |
           git config --global core.longpaths true
           bundle config set system 'true'
+          bundle config set --local without 'release'
           ${{ matrix.env_set_cmd }}PUPPET_GEM_VERSION=$(ruby -e 'puts /puppet\s+\((.+)\)/.match(`gem list -eld puppet`)[1]')
           bundle update --jobs 4 --retry 3
 

.github/workflows/static_code_analysis.yaml

@@ -30,6 +30,7 @@ jobs:
       - name: Prepare testing environment with bundler
         run: |
           git config --global core.longpaths true
+          bundle config set --local without 'release'
           bundle update --jobs 4 --retry 3
 
       - name: Run commits check

.github/workflows/unit_tests_with_nightly_puppet_gem.yaml

@@ -54,6 +54,7 @@ jobs:
         run: |
           git config --global core.longpaths true
           bundle config set system 'true'
+          bundle config set --local without 'release'
           ${{ matrix.env_set_cmd }}PUPPET_GEM_VERSION=$(ruby -e 'puts /puppet\s+\((.+)\)/.match(`gem list -eld puppet`)[1]')
           bundle update --jobs 4 --retry 3
 

.github/workflows/unit_tests_with_released_puppet_gem.yaml

@@ -43,6 +43,7 @@ jobs:
         run: |
           git config --global core.longpaths true
           bundle config set system 'true'
+          bundle config set --local without 'release'
           bundle update --jobs 4 --retry 3
 
       - name: Run unit tests

Gemfile

@@ -38,6 +38,11 @@ group :development do
   gem "github_changelog_generator",                              require: false, git: 'https://github.com/skywinder/github-changelog-generator', ref: '20ee04ba1234e9e83eb2ffb5056e23d641c7a018' if Gem::Version.new(RUBY_VERSION.dup) >= Gem::Version.new('2.2.2')
 end
 
+group :release do
+  gem "puppet-blacksmith", '~> 3.4',                             require: false
+  gem "pdk",                                                     platforms: [:ruby]
+end
+
 puppet_version = ENV['PUPPET_GEM_VERSION']
 facter_version = ENV['FACTER_GEM_VERSION']
 hiera_version = ENV['HIERA_GEM_VERSION']