chore: Update upload-pages-artifact action to v3

Author: gabriel-logan

.github/workflows/hugo.yml

@@ -87,7 +87,7 @@ jobs:
       - name: ls ./docs/public
         run: echo 'ls ./docs/public' && ls ./docs/public
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v4
+        uses: actions/upload-pages-artifact@v3
         with:
           path: ./docs/public