muster release v5.22.0

Added

• (test) Fault steps (test_redeploy_mock_server, test_set_mock_server_auth) and a controllable clock (test_advance_clock, intervals: production) (#1238) in #1246 by @teemow

Full Changelog: https://github.com/giantswarm/muster/compare/v5.21.1...v5.22.0