[concourse] build and publish debian-11-worker-amd64 (#421)
[concourse] build and publish debian-11-worker-amd64 (#421)

* [concourse] build and publish debian-11-worker-amd64

* refine
GoogleCloudPlatform/guest-test-infra,GoogleCloudPlatform/guest-test-infra,GoogleCloudPlatform/guest-test-infra