Add Claude Code PR review skill and CI workflow #4768

Job	Run time
build-devcontainer / build-and-publish-devcontainer	54s
changed-files	1m 3s
lint	5m 26s
build-shell-ui	0s
unit_tests_salt	0s
unit_tests_crd_client_generator	0s
build_integration_container_nginx	0s
unit_tests_shell_ui	0s
unit_tests_storage_operator	0s
build	0s
unit_tests_metalk8s_operator	0s
e2e-tests	0s
integration_tests_ui	0s
build-docs	0s
unit_tests_lib_alert_tree	0s
unit_tests_ui	0s
write-final-status	13s
	7m 36s

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