ci: update bake-action to v6

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

.github/workflows/e2e.yml

@@ -35,8 +35,6 @@ jobs:
   build:
     runs-on: ubuntu-24.04
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
       -
         name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -46,7 +44,7 @@ jobs:
           buildkitd-flags: --debug
       -
         name: Build
-        uses: docker/bake-action@v5
+        uses: docker/bake-action@v6
         with:
           targets: binaries
           set: |