* Add Versioned combinators and newtype

* Change access roles in V3 API

* Rename AccessRoleV2 to AccessRole

* More V3 endpoint changes

* Fix golden tests

* Version conversation listing endpoint

* Revert access update schema to V2

* Document event versioning

* Use API v3 in tests for listing conversations

* Fix version bound in conversation list endpoint

* Use v3 access update API in tests

* Add example timeline in event versioning docs

* Fix off-by-one errors in event versioning docs

* Use v3 conv pagination API in tests

* Fix collision in versioned swagger schemas

* Fix assertions in brig related to self convs

* More integration test fixes