CHANGELOG.md in runger_style-2.8.0 vs CHANGELOG.md in runger_style-2.9.0

@@ -1,4 +1,7 @@
+## v2.9.0 (2024-06-28)
+- Enforce only major and minor parts of required Ruby version (loosening the required Ruby version from 3.3.3 to 3.3.0)
+
 ## v2.8.0 (2024-06-16)
 - Enforce indented style for `Layout/MultilineOperationIndentation`
 
 ## v2.7.0 (2024-06-15)
 - Rename primary branch from `master` to `main`