feat: /v2/keys.whoami endpoint separate from getKey#3667

Flo4604 merged 5 commits intomainunkeyed/unkey:mainfrom

07-28-feat__v2_keys.whoami_endpoint_separate_from_getkeyunkeyed/unkey:07-28-feat__v2_keys.whoami_endpoint_separate_from_getkeyCopy head branch name to clipboard