build(deps): bump docker/build-push-action in /.github/workflows

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.11.0 to 6.13.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@b32b51a...ca877d9)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/docker.yml

@@ -59,7 +59,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build container image
-        uses: docker/build-push-action@b32b51a8eda65d6793cd0494a773d4f6bcef32dc # v6.11.0
+        uses: docker/build-push-action@ca877d9245402d1537745e0e356eab47c3520991 # v6.13.0
         with:
           platforms: ${{ startsWith(github.event.inputs.folderPath, 'client') && 'linux/amd64' || 'linux/amd64,linux/arm64' }}
           push: true