update changefile

Author: Emmanuel Zamora

CHANGES.txt

@@ -1,3 +1,9 @@
+1.6.0 (June 30, 2022)
+ - Updated @splitsoftware/splitio dependency to version 10.20.0, which includes:
+      - Added a new config option to control the tasks that listen or poll for updates on feature flags and segments, via the new config sync.enabled . Running online Split will always pull the most recent updates upon initialization, this only affects updates fetching on a running instance. Useful when a consistent session experience is a must or to save resources when updates are not being used.
+      - Updated telemetry logic to track the anonymous config for user consent flag set to declined or unknown.
+      - Updated submitters logic, to avoid duplicating the post of impressions to Split cloud when the SDK is destroyed while its periodic post of impressions is running.
+
 1.5.0 (June 13, 2022)
  - Bugfixing - Fixed issue with useTreatments hooks, to return control treatments without evaluating splits when the SDK client is not ready or is destroyed, to avoid not ready impressions and warning log.
  - Updated @splitsoftware/splitio dependency to version 10.19.1, which includes: