Replace manual ruby/jekyll with action

Author: dylanhand

.github/workflows/docsygen.yml

@@ -22,25 +22,17 @@ jobs:
       url: ${{ steps.deploy.outputs.page_url }}
     steps:
       - uses: actions/checkout@v6
-        with:
-          repository: giellalt/giellalt.github.io
 
-      - name: Setup Ruby
-        uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: '3.1'
-          bundler-cache: true
+      - name: Setup Pages
+        uses: actions/configure-pages@v6
 
-      - name: Build Jekyll site
-        env:
-          JEKYLL_GITHUB_TOKEN: ${{ secrets.GIELLALT_DOCS_GH_TOKEN }}
-        run: |
-          bundle exec jekyll build
+      - name: Build with Jekyll
+        uses: actions/jekyll-build-pages@v1
+        with:
+          token: ${{ secrets.GIELLALT_DOCS_GH_TOKEN }}
 
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v5
-        with:
-          path: _site
 
       - name: Deploy to GitHub Pages
         id: deploy