Fixed extra bug fixes section

Also put "Improve handling of app extensions…" back into enhancements, where I moved it during the PR

CHANGELOG.md

@@ -40,20 +40,17 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
   [Danielle Tomlinson](https://github.com/dantoml)
   [#5517](https://github.com/CocoaPods/CocoaPods/issues/5517)
 
-##### Bug Fixes
-
 * Improve handling of app extensions, watch os 1 extensions
   and framework targets  
   [benasher44](https://github.com/benasher44)
   [#4203](https://github.com/CocoaPods/CocoaPods/issues/4203)
 
+##### Bug Fixes
+
 * Fix local pod platform conflict error message.  
   [Muhammed Yavuz Nuzumlalı](https://github.com/manuyavuz)
   [#5052](https://github.com/CocoaPods/CocoaPods/issues/5052)
 
-
-##### Bug Fixes
-
 * Fix installing pods with `use_frameworks` when deduplication is disabled.  
   [Samuel Giddins](https://github.com/segiddins)
   [#5481](https://github.com/CocoaPods/CocoaPods/issues/5481)