Allow targets to be listed by specific resource type #15344

Job	Run time
towncrier_check	8s
changed_files	9s
check_if_release_branch	1s
build mirrord CLI	0s
integration_tests	7m 32s
cargo-deny	41s
lint	56s
check-rust-docs	1m 5s
lint_markdown	0s
macos_tests	9m 50s
test_agent	3m 31s
test_agent_image	7m 34s
test_cli_image	9m 56s
e2e (docker)	2m 19s
intellij_e2e_on_release_branch	0s
e2e (containerd)	2m 14s
vscode_e2e_on_release_branch	0s
ci	1s
	45m 57s

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