Bump docker/metadata-action from 5.6.1 to 5.7.0 (#472)

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 5.6.1 to 5.7.0.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](docker/metadata-action@369eb59...902fa8e)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -75,7 +75,7 @@ jobs:
 
       - name: Docker meta
         id: meta
-        uses: docker/metadata-action@369eb591f429131d6889c46b94e711f089e6ca96 # v5.6.1
+        uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5.7.0
         with:
           images: |
             nginx/nginx-ingress-operator