SEBA-726 Release kubernetes-synchronizer; update xossynchronizer requirement

Change-Id: I0767550ad75102e1738cc6552416b7712cb824f4
diff --git a/requirements.txt b/requirements.txt
index b57131d..4d3cfbd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 kubernetes~=9.0.0
-xossynchronizer~=3.0.1
+xossynchronizer~=3.3.0
 xosapi~=3.0.1
 xoskafka~=3.0.1
 kafkaloghandler~=0.9.0