NonResourcePolicyRule.nonResourceURLs

`nonResourceURLs` is a set of url prefixes that a user should have access to and may not be empty. For example: - "/healthz" is legal - "/hea*" is illegal - "/hea" is legal but matches nothing - "/hea/*" also matches nothing - "/healthz/*" matches all per-component health checks. "*" matches all non-resource urls. if it is present, it must be the only entry. Required.