Update dependency ruby to v3

Author: renovate[bot]

.github/workflows/pr_tests.yml

@@ -36,7 +36,7 @@ jobs:
       - name: "Install Ruby ${{matrix.puppet.ruby_version}}"
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7.8
+          ruby-version: 3.4.7
           bundler-cache: true
       - run: |
           bundle show
@@ -50,7 +50,7 @@ jobs:
       - name: 'Install Ruby ${{matrix.puppet.ruby_version}}'
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7.8
+          ruby-version: 3.4.7
           bundler-cache: true
       - name: 'Ensure executables are installed'
         run: |

.github/workflows/tag_deploy_rubygem__github-rpms.yml

@@ -93,7 +93,7 @@ jobs:
           echo "release_command=$GEM_RELEASE_COMMAND" | tee -a "$GITHUB_OUTPUT"
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7.8
+          ruby-version: 3.4.7
           bundler-cache: true
       - name: Test build the package
         run: "${{ steps.commands.outputs.build_command }}"