Fix: correct YAML indentation in Pages workflow deploy step

Author: Matars

.github/workflows/jekyll-gh-pages.yml

@@ -47,5 +47,5 @@ jobs:
     needs: build
     steps:
       - name: Deploy to GitHub Pages
-  id: deployment
-  uses: actions/deploy-pages@v4
+        id: deployment
+        uses: actions/deploy-pages@v4