Publish Action: Fix some Bundler issues

.forgejo/workflows/publish.yaml

@@ -5,18 +5,20 @@ jobs:
     container:
       image: jvconseil/jekyll-docker:stable
     steps:
-      - name: Checkout source
+      - name: Checkout Source Repository
         uses: actions/checkout@v4
-      - name: Checkout built site
+      - name: Checkout Pages Branch to Build Directory
         uses: actions/checkout@v4
         with:
           ref: pages
           path: _site
-      - name: Setup cache directory
-        run:  mkdir .jekyll-cache
-      - name: Install dependencies
-        run: bundle install --deployment
-      - name: Build the site
+      - name: Setup Build Environment
+        run: |
+          mkdir .jekyll-cache
+          mkdir -p vendor/bundle
+          bundle config set deployment true
+          bundle install
+      - name: Build Site
         run: jekyll build --trace
       - name: Include the Codeberg pages .domains file
         run: cp ${{ env.GITHUB_WORKSPACE }}/.domains ${{ env.GITHUB_WORKSPACE }}/_site/.domains