docs: update changelog entry to reflect unconditional yaml.safe_load approach

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: nhorton

CHANGELOG.md

@@ -26,7 +26,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
-- Quality gate `validate_json_schemas()` now parses `.yml`/`.yaml` files with YAML instead of failing with a JSON parse error
+- Quality gate `validate_json_schemas()` now uses `yaml.safe_load` (a JSON superset) instead of `json.loads`, so YAML output files are validated correctly
 
 ### Removed
 ## [0.12.0] - 2026-04-03