Action Update: 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/docker.yml

@@ -100,7 +100,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Build
-      uses: docker/bake-action@v5
+      uses: docker/bake-action@v6
       with:
         files: |
           ./docker-bake.hcl
@@ -173,7 +173,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Build
-      uses: docker/bake-action@v5
+      uses: docker/bake-action@v6
       with:
         files: |
           ./docker-bake.hcl