buildx failed with: ERROR: invalid tag "//plopjs:latest": invalid reference format

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/github-script@v4, docker/build-push-action@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

The following actions use a deprecated Node.js version and will be forced to run on node20: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1, docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7, actions/github-script@v4, docker/build-push-action@v2. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

The `save-state` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/