buildx failed with: ERROR: failed to solve: failed to read dockerfile: failed to load cache key: repository does not contain ref refs/pull/9/merge, output: ""

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v2, docker/setup-buildx-action@v2, docker/login-action@v2, docker/build-push-action@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.