CHANGELOG.md in runger_style-4.0.0 vs CHANGELOG.md in runger_style-4.0.1

@@ -1,4 +1,7 @@
+## v4.0.1 (2024-12-31)
+- Increase TargetRubyVersion from 3.3 to 3.4
+
 ## v4.0.0 (2024-12-31)
 [no unreleased changes yet]
 
 ## v3.0.0 (2024-12-11)
 - Increase minimum required `rubocop` version to 1.68.0.