mirrord policy for enforcing header pattern #14061

Job	Run time
towncrier_check	8s
check_if_release_branch	1s
changed_files	6s
build mirrord CLI	0s
lint	2m 4s
check-rust-docs	1m 0s
lint_markdown	0s
integration_tests	3m 30s
macos_tests	3m 23s
test_agent	3m 17s
test_agent_image	31s
test_cli_image	3m 22s
e2e (docker)	2m 45s
intellij_e2e_on_release_branch	0s
e2e (containerd)	2m 37s
vscode_e2e_on_release_branch	0s
ci	1s
	22m 45s

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