fix: use upload/download-artifact@v3 for Gitea GHES compatibility

.gitea/workflows/release.yaml

@@ -56,7 +56,7 @@ jobs:
         run: npm run build
 
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v3
         with:
           name: ui-build
           path: ui/build
@@ -155,7 +155,7 @@ jobs:
           echo "version=${V#v}" >> "$GITHUB_OUTPUT"
 
       - name: Download build artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v3
         with:
           name: ui-build
           path: build