stable-8922: release

* 1cbb8f8 prosody: add hybrid_matrix_token as a new authentication method
* b5b8ea2 jigasi: add toggle to enable REST shutdown
* 6bb2455 jibri: add extra fonts
* 497015b jicofo: add JICOFO_AUTH_LIFETIME as environment variable
* f18acb4 jicofo, prosody: allow to set different AUTH_TYPE
* dc1994a jicofo: remove shibboleth authentication options
* 58d4736 misc: working on unstable