chore(deps): bump docker/metadata-action from 4 to 5 (#390)

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 4 to 5.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Upgrade guide](https://github.com/docker/metadata-action/blob/master/UPGRADE.md)
- [Commits](docker/metadata-action@v4...v5)

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

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

Author: dependabot[bot]

.github/workflows/test_publish.yml

@@ -206,7 +206,7 @@ jobs:
         uses: actions/checkout@v4
       - name: Docker meta data services
         id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
         with:
           # list of Docker images to use as base name for tags
           images: |
@@ -240,7 +240,7 @@ jobs:
           cache-to: type=registry,ref=renku/renku-data-service:buildcache,mode=max
       - name: Docker meta background jobs
         id: meta-background-jobs
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
         with:
           # list of Docker images to use as base name for tags
           images: |
@@ -265,7 +265,7 @@ jobs:
           cache-to: type=registry,ref=renku/data-service-background-jobs:buildcache,mode=max
       - name: Docker meta secrets
         id: meta-secrets-storage
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
         with:
           # list of Docker images to use as base name for tags
           images: |