fix(docs): rename 0.2.5 changelog section to avoid MD024

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: ulises-jeremias

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## 0.2.5 - 2026-07-18
 
-### Fixes
+### Git cache
 
 - Git cache refresh now advances HEAD to the remote default tip when `?ref=` is unset (CNA pull parity)
 - Force-refresh when a configured template/extension `subdir` is missing from a warm cache (fixes post-rename `ManifestLoadError` for `all-github-setup` and friends)