Merge branch 'resolve-experimentation-kwargs-deprecation' into 'master'

Resolve kwargs deprecation for experimentation.rb

See merge request gitlab-org/gitlab!43622

lib/gitlab/experimentation.rb

@@ -105,7 +105,7 @@ module Gitlab
 
       def track_experiment_event(experiment_key, action, value = nil)
         track_experiment_event_for(experiment_key, action, value) do |tracking_data|
-          ::Gitlab::Tracking.event(tracking_data.delete(:category), tracking_data.delete(:action), tracking_data)
+          ::Gitlab::Tracking.event(tracking_data.delete(:category), tracking_data.delete(:action), **tracking_data)
         end
       end