use Octokit client to download buildx

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

.github/workflows/test.yml

@@ -30,6 +30,8 @@ jobs:
         uses: docker/bake-action@v2
         with:
           targets: test
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       -
         name: Upload coverage
         uses: codecov/codecov-action@v3