Update CHANGES.txt

Author: chillaq

CHANGES.txt

@@ -1,3 +1,6 @@
+9.2.0 (Oct 14, 2022)
+- Added a new impressions mode for the SDK called NONE , to be used in factory when there is no desire to capture impressions on an SDK factory to feed Split's analytics engine. Running NONE mode, the SDK will only capture unique keys evaluated for a particular feature flag instead of full blown impressions
+
 9.1.3 (July 25, 2022)
 - Fixed synching missed segment(s) after receiving split update