[Squad-dev] squad 1.12 release

Hi,

This 1.12 release adds a bell icon to project UI allowing users to subscribe/unsubscribe from project notifications, among other small fixes and additions.

Complete list of changes going in:

* api: add docstring to endpoints with additional methods * api: rest: handle null test_name in project/test_results * frontend: add subscribe feature to project listing * frontend: allow to subscribe/unsubscribe from project view * static: annotation: better handle error messages * test: fix flake8 warning

Ch{eers,arles}