chore(deps): bump docker/metadata-action from 5.7.0 to 5.8.0

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 5.7.0 to 5.8.0.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](docker/metadata-action@v5.7.0...v5.8.0)

---
updated-dependencies:
- dependency-name: docker/metadata-action
  dependency-version: 5.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/release.yaml

@@ -63,7 +63,7 @@ jobs:
           password: ${{ secrets.DOCKER_TOKEN_JAN_2025 }}
       - name: Docker meta
         id: meta
-        uses: docker/metadata-action@v5.7.0
+        uses: docker/metadata-action@v5.8.0
         with:
           images: kong/deck
           tags: ${{ env.TAGS_STANDARD }}${{ env.TAGS_SUPPLEMENTAL }}