sloproxy

feat(auth): add config API key exclusion management with tests master

- Implemented helper methods `IsConfigAPIKeyAuth` and `toggleConfigAPIKeyExcludedAll` for managing config API key exclusions. - Updated API request handling to support enabling/disabling config API key exclusion patterns. - Added test coverage to validate exclusion toggling logic and persistence behavior. - Refactored duplicate code for identifying config API key auth entries into reusable utilities.