Add a missing entry for relnote of v2.12

Author: koic

CHANGELOG.md

@@ -16,7 +16,7 @@
 * [#529](https://github.com/rubocop/rubocop-rails/issues/529): Fix a false positive for `Rails/LexicallyScopedActionFilter` when action method is aliased by `alias_method`. ([@koic][])
 * [#532](https://github.com/rubocop/rubocop-rails/issues/532): Fix a false positive for `Rails/HttpPositionalArguments` when defining `get` in `Rails.application.routes.draw` block. ([@koic][])
 
-## Changes
+### Changes
 
 * [#260](https://github.com/rubocop/rubocop-rails/issues/260): Change target of `Rails/ContentTag` from `content_tag` method to `tag` method. ([@tabuchi0919][])
 

relnotes/v2.12.0.md

@@ -10,4 +10,9 @@
 * [#529](https://github.com/rubocop/rubocop-rails/issues/529): Fix a false positive for `Rails/LexicallyScopedActionFilter` when action method is aliased by `alias_method`. ([@koic][])
 * [#532](https://github.com/rubocop/rubocop-rails/issues/532): Fix a false positive for `Rails/HttpPositionalArguments` when defining `get` in `Rails.application.routes.draw` block. ([@koic][])
 
+### Changes
+
+* [#260](https://github.com/rubocop/rubocop-rails/issues/260): Change target of `Rails/ContentTag` from `content_tag` method to `tag` method. ([@tabuchi0919][])
+
 [@koic]: https://github.com/koic
+[@tabuchi0919]: https://github.com/tabuchi0919