GitLab

- Update region configuration with new API server and cluster details
- Modify database configuration to use Kubernetes service endpoint
- Change WAF rule categories table migration to use BIGINT with AUTO_INCREMENT
- Standardize JSON configuration formatting

- Updated `EnableListenerWafsReq` struct to use string slice for listeners
- Modified WAF service method to parse listener string into hosts and port
- Simplified listener WAF configuration logic to work with new listener representation
- Added error handling for port parsing and listener format validation