Prepare release v12.1.0

Created-by: polyglot-release v1.6.0

Author: davidjgoss

CHANGELOG.md

@@ -8,6 +8,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 Please see [CONTRIBUTING.md](./CONTRIBUTING.md) on how to contribute to Cucumber.
 
 ## [Unreleased]
+
+## [12.1.0] - 2025-07-19
 ### Added
 - Include updated pretty formatter ([#2592](https://github.com/cucumber/cucumber-js/pull/2592))
 
@@ -1683,7 +1685,8 @@ this.Given(), this.When(), this.Then() and this.defineStep() ([#2](https://githu
 
 ## 0.0.1
 
-[Unreleased]: https://github.com/cucumber/cucumber-js/compare/v12.0.0...HEAD
+[Unreleased]: https://github.com/cucumber/cucumber-js/compare/v12.1.0...HEAD
+[12.1.0]: https://github.com/cucumber/cucumber-js/compare/v12.0.0...v12.1.0
 [12.0.0]: https://github.com/cucumber/cucumber-js/compare/v11.3.0...v12.0.0
 [11.3.0]: https://github.com/cucumber/cucumber-js/compare/v11.2.0...v11.3.0
 [11.2.0]: https://github.com/cucumber/cucumber-js/compare/v11.1.1...v11.2.0

package-lock.json

@@ -8,7 +8,7 @@
     "gherkin",
     "tests"
   ],
-  "version": "12.0.0",
+  "version": "12.1.0",
   "funding": "https://opencollective.com/cucumber",
   "homepage": "https://github.com/cucumber/cucumber-js",
   "author": "Julien Biezemans <[email protected]>",