buildx failed with: ERROR: invalid tag "ghcr.io/dwp/github-action-kitchen-terraform:rc-feature/version-updates": invalid reference format

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v2. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

It is considered a best practice for every executable in a container to be owned by the root user even if it is executed by a non-root user, only execution permissions are required on the file, not ownership

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@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/.