nips_changes on Nostr: add kind 9022 for leave request #nips_changes ...
add kind 9022 for leave request #nips_changes
https://github.com/nostr-protocol/nips/commit/62ac522333d374f9c8bab95f08413f13cf648038
https://github.com/nostr-protocol/nips/commit/62ac522333d374f9c8bab95f08413f13cf648038