Update replication plugin to get fixes for IT flakiness

84d5082 ReplicationIT: Increase timeout for tests
a35edff ReplicationIT: Retry/timeout on assertion of replication tasks count

Bug: Issue 11843
Change-Id: I1e35f2c981ef88000ed6094fa887998cff599560
diff --git a/plugins/replication b/plugins/replication
index 5e3cbc8..84d5082 160000
--- a/plugins/replication
+++ b/plugins/replication
@@ -1 +1 @@
-Subproject commit 5e3cbc8e7e45172790e777ec0576b08b65934b09
+Subproject commit 84d508247c619b9e1871d7ce47517334bb0240c1