Add rmdir support #13816

Job	Run time
check_if_release_branch	1s
changed_files	7s
towncrier_check	7s
build mirrord CLI	0s
lint	3m 22s
test_agent	3m 23s
integration_tests	11m 48s
check-rust-docs	58s
test_agent_image	6m 10s
test_cli_image	14m 32s
macos_tests	26m 25s
lint_markdown	0s
e2e (docker)	13m 51s
e2e (containerd)	13m 14s
vscode_e2e_on_release_branch	0s
intellij_e2e_on_release_branch	0s
ci	1s
	1h 33m 59s

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