Some mirrord-kube improvements (#3116) #14405

Job	Run time
towncrier_check	7s
check_if_release_branch	1s
changed_files	6s
build mirrord CLI	0s
lint	3m 21s
check-rust-docs	1m 1s
lint_markdown	0s
integration_tests	5m 34s
macos_tests	16m 33s
test_agent	3m 27s
test_agent_image	7m 1s
test_cli_image	6m 22s
e2e (docker)	8m 35s
vscode_e2e_on_release_branch	0s
e2e (containerd)	10m 37s
intellij_e2e_on_release_branch	0s
ci	1s
	1h 2m 46s

Provide feedback