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] <[email protected]>

.github/workflows/build.yml

@@ -21,7 +21,7 @@ jobs:
     - name: Setup buildx
       uses: docker/setup-buildx-action@v3
     - name: Build Only
-      uses: docker/bake-action@v5
+      uses: docker/bake-action@v6
       with:
         files: |
           ./docker-bake.hcl

.github/workflows/release.yml

@@ -37,7 +37,7 @@ jobs:
         username: ${{ secrets.DOCKERHUB_USERNAME }}
         password: ${{ secrets.DOCKERHUB_TOKEN }}
     - name: Build & Push
-      uses: docker/bake-action@v5
+      uses: docker/bake-action@v6
       with:
         push: 'true'
         files: |