chore(deps): bump docker/metadata-action from 5 to 6

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 5 to 6.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](docker/metadata-action@v5...v6)

---
updated-dependencies:
- dependency-name: docker/metadata-action
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/images.yml

@@ -47,7 +47,7 @@ jobs:
         id: version
         if: steps.changes.outputs.changed == 'true'
         run: echo "version=$(git describe --tags --always 2>/dev/null || echo dev)" >> "$GITHUB_OUTPUT"
-      - uses: docker/metadata-action@v5
+      - uses: docker/metadata-action@v6
         id: meta
         if: steps.changes.outputs.changed == 'true'
         with: