docs: fix PR identifier (#59)

Author: orien

CHANGELOG.md

@@ -11,10 +11,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [1.2.4] - 2025-12-07
 
 ### Changed
- - Address security issues found by RuboCop ([#56])
+ - Address security issues found by RuboCop ([#57])
 
 [1.2.4]: https://github.com/envato/zxcvbn-ruby/compare/v1.2.3...v1.2.4
-[#56]: https://github.com/envato/zxcvbn-ruby/pull/56
+[#57]: https://github.com/envato/zxcvbn-ruby/pull/57
 
 ## [1.2.3] - 2025-12-07