* Add redis caching to getting a user's project ids
* Run `cargo sqlx prepare` to update the sqlx-data.json
* Add redis caching for getting user notifications
* Fix new clippy warnings
* Remove log that shouldn't have been committed
* Batch insert of notifications (untested)
* sqlx prepare...
* Fix merge conflict things and use new redis struct
* Fix bug with calling delete_many without any elements (caught by tests)
* cargo sqlx prepare
* Add tests around cache invalidation (and fix bug they caught!)
* Some test reorg based on code review suggestions
