Bump actions/upload-pages-artifact to v3

Author: buberdds

.github/workflows/frontend-deploy.yml

@@ -64,7 +64,7 @@ jobs:
             echo "::warning title=Invalid file permissions automatically fixed::$line"
           done
       - name: Upload Pages artifact
-        uses: actions/upload-pages-artifact@v2
+        uses: actions/upload-pages-artifact@v3
         with:
           path: 'frontend/dist/'
       - name: Deploy to GitHub Pages