feat: automatic build and deploy every 6 hours

Author: johanna-reiml-hpi

.github/workflows/hugo.yaml

@@ -10,6 +10,10 @@ on:
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
+  # Schedule the workflow to run every 6 hours
+  schedule:
+    - cron: "0 */6 * * *"
+
 # Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
 permissions:
   contents: read