Merge pull request #352 from crazy-max/bake-v6

ci: update bake-action to v6

Author: thaJeztah

.github/workflows/build.yml

@@ -115,15 +115,12 @@ jobs:
   test-sandboxed:
     runs-on: ubuntu-22.04
     steps:
-      -
-        name: Checkout
-        uses: actions/checkout@v4
       -
         name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       -
         name: Test
-        uses: docker/bake-action@v5
+        uses: docker/bake-action@v6
         with:
           targets: test
           set: |