Tweak the changelog

Author: koic

CHANGELOG.md

@@ -4,7 +4,12 @@
 
 ## 0.7.0 (2025-02-16)
 
+### New features
+
 * [#58](https://github.com/rubocop/rubocop-rake/pull/58): Pluginfy RuboCop Rake. ([@koic][])
+
+### Changes
+
 * [#57](https://github.com/rubocop/rubocop-rake/pull/57): Drop support Ruby 2.5 and 2.6 for runtime environment. ([@koic][])
 
 ## 0.6.0 (2021-06-29)