Update dependency ruby to v2.7.8

Author: renovate[bot]

.github/workflows/pr_tests.yml

@@ -35,7 +35,7 @@ jobs:
       - name: "Install Ruby ${{matrix.puppet.ruby_version}}"
         uses: ruby/setup-ruby@v1  # ruby/setup-ruby@ec106b438a1ff6ff109590de34ddc62c540232e0
         with:
-          ruby-version: 2.7
+          ruby-version: 2.7.8
           bundler-cache: true
       - run: "bundle exec rake syntax"
 
@@ -47,7 +47,7 @@ jobs:
       - name: "Install Ruby ${{matrix.puppet.ruby_version}}"
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7
+          ruby-version: 2.7.8
           bundler-cache: true
       - run: "bundle exec rake lint"
       - run: "bundle exec rake metadata_lint"
@@ -62,7 +62,7 @@ jobs:
       - name: "Install Ruby ${{matrix.puppet.ruby_version}}"
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7
+          ruby-version: 2.7.8
           bundler-cache: true
       - run: |
           bundle show
@@ -76,7 +76,7 @@ jobs:
       - name: 'Install Ruby 2.7'
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7
+          ruby-version: 2.7.8
           bundler-cache: true
       - run: bundle exec rake check:dot_underscore
       - run: bundle exec rake check:test_file
@@ -89,7 +89,7 @@ jobs:
       - name: 'Install Ruby ${{matrix.puppet.ruby_version}}'
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7
+          ruby-version: 2.7.8
           bundler-cache: true
       - name: 'Tags and changelogs'
         run: |

.github/workflows/tag_deploy.yml

@@ -55,7 +55,7 @@ jobs:
           clean: true
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7
+          ruby-version: 2.7.8
           bundler-cache: true
       - run: bundle exec rake pkg:check_version
       - run: bundle exec rake pkg:compare_latest_tag
@@ -180,7 +180,7 @@ jobs:
           clean: true
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7
+          ruby-version: 2.7.8
           bundler-cache: true
       - name: Build Puppet module (PDK)
         run: bundle exec pdk build --force