chore(deps): bump docker/build-push-action from 5 to 6

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 5 to 6.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/v5...v6)

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 2f36afd..b71a239 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -41,7 +41,7 @@
             apache/eventmesh-dashboard
 
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           push: true
           tags: ${{ steps.meta.outputs.tags }}