Fix GitHub Pages deployment path

Fixed path in upload-pages-artifact action. The working-directory setting
only applies to run steps, not to actions, so the upload path needs to be
relative to the repository root.

Author: renderghost

.github/workflows/hugo.yml

@@ -52,7 +52,7 @@ jobs:
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3
         with:
-          path: ./docs/public
+          path: docs/public
 
   deploy:
     environment: