Bump docker/metadata-action from 5.5.1 to 6.0.0 (#164)

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 5.5.1 to 6.0.0.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](docker/metadata-action@v5.5.1...v6.0.0)

---
updated-dependencies:
- dependency-name: docker/metadata-action
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]

.github/workflows/docker.build.yml

@@ -18,7 +18,7 @@ jobs:
       -
         name: Docker meta
         id: docker_meta
-        uses: docker/metadata-action@v5.5.1
+        uses: docker/metadata-action@v6.0.0
         with:
           images: ghcr.io/${{ github.repository }}
       -