Bump docker/bake-action from 5 to 6

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

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

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

.github/workflows/release.yaml

@@ -38,7 +38,7 @@ jobs:
           echo tags="latest,${version}" >> $GITHUB_OUTPUT
 
       - name: Build and Push
-        uses: docker/bake-action@v5
+        uses: docker/bake-action@v6
         env:
           TAGS: "${{ steps.tags.outputs.tags }}"
           REGISTRY: "natsio"