project-lakitu: update kubernetes to v1.21.3

BUG=b/186855573
TEST=presubmit and manual
k8s-e2e-test(https://screenshot.googleplex.com/ABVyL6RtWUeWiKe)
RELEASE_NOTE=Updated the built-in kubectl/kubelet to 1.21.3

Change-Id: I7cc122ca911f87089f15e930b144bb18d99c1da4
Reviewed-on: https://cos-review.googlesource.com/c/cos/overlays/board-overlays/+/20251
Reviewed-by: Dexter Rivera <riverade@google.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
4 files changed