Apply Vox Pupuli CI defaults

.github/workflows/build.yml

@@ -1,3 +1,4 @@
+---
 name: Build puppet-runtime
 
 on:

.github/workflows/comment_on_pr.yaml

@@ -9,7 +9,7 @@ on:
 
 jobs:
   upload:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     if: ${{ github.event.workflow_run.conclusion == 'success' }}
     steps:
       - name: 'Download artifacts'
@@ -34,7 +34,7 @@ jobs:
             fs.writeFileSync('${{github.workspace}}/artifacts.zip', Buffer.from(download.data));
             fs.writeFileSync('./artifactid', matchArtifact.id)
 
-      - name: 'Unzip artifacts'      
+      - name: 'Unzip artifacts'
         run: unzip artifacts.zip
 
       - name: 'Check comment limits'

.github/workflows/component_diff_check.yaml

@@ -8,24 +8,21 @@ on:
 
 jobs:
   vanagon_component_diff_check:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
+    env:
+      BUNDLE_WITH: development
     name: Check
     steps:
       - name: Checkout current PR
         uses: actions/checkout@v4
         with:
-          fetch-depth: 0
+          fetch-depth: 0 # we need the full history because the rake tasks reads git tags
 
       - name: Install ruby version ${{ matrix.cfg.ruby }}
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: 3.3
-
-      - name: Bundle project
-        run: |
-          gem install bundler
-          bundle config set without packaging documentation
-          bundle install --jobs 3 --retry 3 --with development
+          bundler-cache: true
 
       - name: Save artifacts data
         run: |

.github/workflows/runtime_tests.yaml

@@ -1,3 +1,4 @@
+---
 name: Runtime tests
 
 on:
@@ -9,10 +10,13 @@ on:
 permissions:
   contents: read
 
+env:
+  BUNDLE_WITHOUT: development
+
 jobs:
   vanagon_inspect:
     name: Vanagon inspect
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout current PR
         uses: actions/checkout@v4
@@ -22,15 +26,12 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: 3.3
-      - name: Update rubygems and install gems
-        run: |
-          gem update --system --silent --no-document
-          bundle config set without development
-          bundle install --jobs 4 --retry 3
+          bundler-cache: true
+
       - name: Vanagon inspect
         run: |
           stat=0
-          for projfile in $(ls configs/projects/[a-z]*.rb); do
+          for projfile in configs/projects/[a-z]*.rb; do
             for plat in el-7-x86_64 ubuntu-18.04-amd64 ubuntu-20.04-amd64 ubuntu-22.04-amd64 windows-2012r2-x64; do
               proj=$(basename -s .rb "$projfile")
               if [[ "$proj" =~ ^pe- && "$plat" =~ ^(windows|osx) ]]; then