chore(deps): bump docker/metadata-action from 4 to 5 (argoproj#3032)

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
...

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

.github/workflows/docker-publish.yml

@@ -28,7 +28,7 @@ jobs:
     steps:
       - name: Docker meta (controller)
         id: controller-meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
         with:
           images: |
             quay.io/argoproj/argo-rollouts
@@ -38,7 +38,7 @@ jobs:
 
       - name: Docker meta (plugin)
         id: plugin-meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
         with:
           images: |
             quay.io/argoproj/kubectl-argo-rollouts