docs: release 3.4.0

Author: tpetry

CHANGELOG.md

@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.4.0] - 2025-10-17
+### Added
+* temporal indexes (primary key, unique constraint, foreign key) (#117)
+* configurable search_path for functions (#119)
+
 ## [3.3.0] - 2025-10-05
 ### Added
 * New `boolean $native` parameter for `Uuid7` expression (#117)