Resolve recommended-profile Critical and High findings, retain narrow analyzer exceptions, and update the edge-broker WebSocket dependency to a non-vulnerable release.
- Introduced `ApiSchemaBootstrap` class to ensure database schema for API tests.
- Modified GitHub Actions workflow to include schema bootstrapping configuration.
- Switched to Xdebug for test coverage in workflows and adjusted `ini-values` accordingly.
- Improved environment variable handling in `config.php` for enhanced runtime flexibility.