Prepare release v0.5.1

Created-by: polyglot-release v1.6.1

Author: davidjgoss

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.5.1] - 2025-09-17
+
 ## [0.5.0] - 2025-09-08
 ### Added
 - Add `pickleStep` to `UndefinedError` ([#13](https://github.com/cucumber/javascript-core/pull/13))
@@ -39,7 +41,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - Initial implementation ([#1](https://github.com/cucumber/javascript-core/pull/1))
 
-[Unreleased]: https://github.com/cucumber/javascript-core/compare/v0.5.0...HEAD
+[Unreleased]: https://github.com/cucumber/javascript-core/compare/v0.5.1...HEAD
+[0.5.1]: https://github.com/cucumber/javascript-core/compare/v0.5.0...v0.5.1
 [0.5.0]: https://github.com/cucumber/javascript-core/compare/v0.4.1...v0.5.0
 [0.4.1]: https://github.com/cucumber/javascript-core/compare/v0.4.0...v0.4.1
 [0.4.0]: https://github.com/cucumber/javascript-core/compare/v0.3.0...v0.4.0

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@cucumber/core",
-  "version": "0.5.0",
+  "version": "0.5.1",
   "description": "Core test case composition library for building a Cucumber implementation",
   "type": "commonjs",
   "main": "dist/index.js",