- Update library version.
- Added MaxFlush delay to help reduce CPU usage.
- Fall back to LRU cache for the caches which use SCAN.
- Added mattermost-redis and running for all api layer
tests in Postgres.
https://mattermost.atlassian.net/browse/MM-59934
```release-note
NONE
```
* removed an incorretc return that caused missing API timing metrics for 4xx and 5xx errors
* Added tests and recorded metric for URL length limit as well
* Status code fix
