refactor(release): add refactoring section to release notes template

- Include dedicated section for performance improvements and code refactoring
- Improve categorization of internal code quality changes
- Better separation of concerns in release notes structure

Author: BhaskarKulshrestha

.github/release-notes-template.md

@@ -25,6 +25,9 @@ This template is used to automatically generate release notes for create-polyglo
 ### 🎉 Other Changes
 {other}
 
+### 🔄 Refactoring & Performance
+{refactoring}
+
 ---
 
 **Full Changelog**: {compare_url}