Changelog entry for --claim-on-rollout flag change

Signed-off-by: Bryan Boreham <[email protected]>

Author: bboreham

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## 0.1.0 / 2019-08-07
 
+* [CHANGE] --claim-on-rollout flag deprecated; feature is now always on #1566
 * [CHANGE] HA Tracker flags were renamed to provide more clarity #1465
   * `distributor.accept-ha-labels` is now `distributor.ha-tracker.enable`
   * `distributor.accept-ha-samples` is now `distributor.ha-tracker.enable-for-all-users`