Also disable UV for PROD cache build in release branches

A follow up after apache#38749 - we should also disable UV for cache
building in release branches. PROD images are building just fine,
but cache building for 3.11 fails for the same reason and we also
have to disable UV for the cache build.

.github/workflows/push-image-cache.yml

@@ -167,7 +167,7 @@ jobs:
       GITHUB_USERNAME: ${{ github.actor }}
       INSTALL_MYSQL_CLIENT_TYPE: ${{ inputs.install-mysql-client-type }}
       UPGRADE_TO_NEWER_DEPENDENCIES: "false"
-      USE_UV: ${{ inputs.use-uv }}
+      USE_UV: ${{ inputs.branch == 'main' && inputs.use-uv || 'false' }}
       VERBOSE: "true"
       VERSION_SUFFIX_FOR_PYPI: "dev0"
     if: inputs.include-prod-images == 'true'