Merge pull request #1131 from nginx-proxy/dependabot/github_actions/docker/build-push-action-6

ci: bump docker/build-push-action from 5 to 6

Author: buchdag

.github/workflows/build-publish.yml

@@ -69,7 +69,7 @@ jobs:
 
       - name: Build and push
         id: docker_build
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           build-args: GIT_DESCRIBE=${{ steps.acme-companion_version.outputs.VERSION }}