Update charts to use newly released XOS 2.1.25 and related synchronizer images

Change-Id: I7cc172611aff1e2852a051557bf9f239096c193a
diff --git a/xos-services/exampleservice/Chart.yaml b/xos-services/exampleservice/Chart.yaml
index 0b5fee3..2c9ad7e 100644
--- a/xos-services/exampleservice/Chart.yaml
+++ b/xos-services/exampleservice/Chart.yaml
@@ -17,6 +17,6 @@
 description: A Helm chart for XOS's "exampleservice" service
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 2.2.1
-appVersion: 2.2.1
+version: 2.2.2
+appVersion: 2.2.2