fix(keycloak): user redirection on KC login (bigbluebutton#5184)

* fix(keycloak): user redirection on KC login

* fix specs

CI: Moved away from `GITHUB_REF` in favor of `github.ref_name`. (bigb…

…luebutton#5118)

Fixes to complete the relative URL root path support. (bigbluebutton#…

…5106)

* Action cable: Added support for relative URL root path.

* Meeting start: Added support for relative URL root path.

* Application: Minor improvements to relative URL root path parsing.

* Email branding: Added support for relative URL root path.
	+ Refactored and improved Setting getter service.

* Manage users: Fixed edit user on custom relative URL root path.

Fix Recording Video Format (bigbluebutton#5050)

Fix vertical center (bigbluebutton#4906)

* Fix vertical center

* logged in fixes

GIT-XX: making health check conditiopns configurable (bigbluebutton#4823

)

Update Gemfile.lock (bigbluebutton#4809)

Fixed alternative docker files (bigbluebutton#4797)

Added configuration:check rake task that checks a configuration (bigb…

…luebutton#4785)

* Added configuration:check rake task that checks a configuration

* CR

V3 migrations: Add missing header. (bigbluebutton#4793)