Merge pull request #571 from nginx-proxy/dependabot/github_actions/docker/metadata-action-5

ci: bump docker/metadata-action from 4 to 5

Author: buchdag

.github/workflows/build-publish.yml

@@ -38,7 +38,7 @@ jobs:
 
       - name: Get Docker tags
         id: docker_meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
         with:
           images: |
             ghcr.io/nginx-proxy/docker-gen