Updated Changelog

CHANGELOG.md

 
 ## 2020.2.7
 
+#### Added
+
+* Added Cinemachine Actions: 
+  * `CinemachineSetCameraNoiseAction`  : Defines or remove noise for a Virtual Camera
+  * `CinemachineSetCustomBlendsAction` : Defines custom blends for the Cinemachine Brain of the Virtual Camera Manager
+
 ## 2020.2.6
 
 #### Added