Bump docker/metadata-action from 4.5.0 to 4.6.0 (#1292)

Bump docker/metadata-action from 4.5.0 to 4.6.0 (#1292)

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 4.5.0 to 4.6.0.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](https://github.com/docker/metadata-action/compare/v4.5.0...v4.6.0)

---
updated-dependencies:
- dependency-name: docker/metadata-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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