chore: release 2.9.1

Author: github-actions[bot]

.github/actions/release-please/manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "2.9.0"
+  ".": "2.9.1"
 }

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.9.1](https://github.com/martin-georgiev/postgresql-for-doctrine/compare/v2.9.0...v2.9.1) (2025-03-12)
+
+
+### Code Refactoring
+
+* Introduce `BaseRegexpFunction` and `ParserException` ([#269](https://github.com/martin-georgiev/postgresql-for-doctrine/issues/269)) ([fed0367](https://github.com/martin-georgiev/postgresql-for-doctrine/commit/fed0367baa8cedffe309bd25e1885fb23f6449c8))
+
 ## [2.9.0](https://github.com/martin-georgiev/postgresql-for-doctrine/compare/v2.8.0...v2.9.0) (2025-03-12)