Update release notes for 1.4.0

CHANGELOG.md

@@ -5,9 +5,14 @@ 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).
 
-[Unreleased]: https://github.com/zombiezen/go-sqlite/compare/v1.3.0...main
+[Unreleased]: https://github.com/zombiezen/go-sqlite/compare/v1.4.0...main
 
-## [Unreleased][]
+## [1.4.0][] - 2024-09-23
+
+Version 1.4 adds the `sqlitex.ResultBytes` function
+and fixes several bugs.
+
+[1.4.0]: https://github.com/zombiezen/go-sqlite/releases/tag/v1.4.0
 
 ### Added
 
@@ -31,6 +36,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 Version 1.3 is largely a bug-fix release,
 but is a minor version change because of the new `sqlitemigration.Pool.Take` method.
 
+[1.3.0]: https://github.com/zombiezen/go-sqlite/releases/tag/v1.3.0
+
 ### Added
 
 - `sqlitemigration.Pool` now has a new method `Take`