Adding changelog changes.

Author: kecho

com.unity.render-pipelines.high-definition/CHANGELOG.md

@@ -49,6 +49,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fixed performance issue with ShaderGraph and Alpha Test
 - Fixed error when increasing the maximum planar reflection limit (case 1306530).
 - Fixed alpha output in debug view and AOVs when using shadow matte (case 1311830).
+- Fixed multiple HDRP Frame Settings panel issues: missing "Refraction" Frame Setting. Fixing ordering of Rough Distortion, it should now be under the Distortion setting.
 
 ### Changed
 - Changed Window/Render Pipeline/HD Render Pipeline Wizard to Window/Rendering/HDRP Wizard