Eox-core

Added

- Send post registration event during users registration through API.

Changed

- Upgrade sentry-sdk to latest release (backward compatible with previews python versions).

Added

- Add missing backend for Third Party Auth.

Changed

- Separate eslint tests, so it doesn't block the PyPi release on CircleCi

Changed

- Use the Lilac backends for the test settings. Previous Open edX releases test
- suites may not be compatible.

Changed

- BREAKING CHANGE: Default backends for edxapp users, pre-enrollments and enrollments are not compatible with Juniper or older versions.

Added

- Update Users backend for Lilac with Juniper backend.
- Openedx compatibility notes to readme.