chore(release): prepare to publish 11.5.1

Author: EchoEllet

CHANGELOG.md

@@ -10,6 +10,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [11.5.1] - 2026-05-20
+
 ### Added
 
 - Added localization support for `mn` (Mongolian, Mongolia)
@@ -192,7 +194,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Apple-specific font dependency for subscript and superscript functionality from the example.
 - **BREAKING**: The [`super_clipboard`](https://pub.dev/packages/super_clipboard) plugin, To restore legacy behavior for `super_clipboard`, use [`flutter_quill_extensions`](https://pub.dev/packages/flutter_quill_extensions) package and `FlutterQuillExtensions.useSuperClipboardPlugin()`.
 
-[unreleased]: https://github.com/singerdmx/flutter-quill/compare/v11.5.0...HEAD
+[unreleased]: https://github.com/singerdmx/flutter-quill/compare/v11.5.1...HEAD
+[11.5.1]: https://github.com/singerdmx/flutter-quill/compare/v10.0.0...v11.5.1
 [11.5.0]: https://github.com/singerdmx/flutter-quill/compare/v10.0.0...v11.5.0
 [11.4.2]: https://github.com/singerdmx/flutter-quill/compare/v10.0.0...v11.4.2
 [11.4.1]: https://github.com/singerdmx/flutter-quill/compare/v10.0.0...v11.4.1