Update changelog entry

Author: EmilianoSanchez

CHANGES.txt

@@ -1,6 +1,5 @@
 2.1.0 (January XX, 2025)
- - Added `impressionsDisabled` property to SDK Manager's `SplitView` type.
- - Updated implementation of the impressions tracker and strategies to support feature flags with impressions tracking disabled.
+ - Added support for the new impressions tracking toggle available on feature flags, both respecting the setting and including the new field being returned on `SplitView` type objects. Read more in our docs.
 
 2.0.3 (January 9, 2025)
  - Bugfixing - Properly handle rejected promises when using targeting rules with segment matchers in consumer modes (e.g., Redis and Pluggable storages).