Adds password reauthentication to our existing reauth providers,
additionally swaps from an exclusive provider to an inclusive type where
multiple methods can be selected to offer a this or that experience.
- Added functionality to decline team invitations
- Added email notifications for when team is deleted
- Added email notifications for team members joining and leaving
## Changes Made
- Refactor/optimise tests
- Reduce flakiness
- Add parallel tests (if there's enough CPU capacity)
- Removed explicit worker count when running parallel tests. Defaults to
50% of CPU capacity.
Might want to consider sharding the test across runners in the future as
our tests grows.
