Eox-tenant

Changed

- **BREAKING CHANGE**: remove the Course Management feature
- **BREAKING CHANGE**: django32: Drop python 3.5 support in favor of python 3.8.

Performance Improvements

- django32: add compatibility with openedx maple release
- change code to pass tests

Continuous Integration

- add test actions to github workflows

Code Refactoring

- change function format by an f-string

Fixed

- Update backend for edxmako so it's lilac compatible.

Fixed

- TenantSiteConfigProxy.site_values returns a serializable subset of settings
- to avoid an exception while sending emails.

Fixed

- UserSignupSource import in order to avoid raising an exception when running tests.

Features

- Support for message passing via protocol V2

Fixed

- Changed OAUTH2_PROVIDER test setting for the CMS