v.4.22.0

Improvements:

1. [LUNA-8919] Removed unused packages (wget, epel-release) from docker image build.

Bugs fixed:

1. [LUNA-8928] Fixed deadlocks in Postgres on concurrent attach/detach of faces to/from a list. Concurrent requests touching overlapping faces could fail with HTTP 500 / error 10015 “SQL error”.

Migration:

See a migration manual.