ci: Moving estargz into the scripts side

Signed-off-by: Vincent Boutour <[email protected]>

Author: ViBiOh

.github/workflows/build.yaml

@@ -69,8 +69,6 @@ jobs:
           ./scripts/release build
       - name: Setup Docker
         uses: docker/setup-buildx-action@v2
-        with:
-          buildkitd-flags: --oci-worker-snapshotter=stargz
       - name: Setup DockerHub
         if: env.DOCKER_USER && env.DOCKER_PASS
         env: