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

Change-Id: I7cc172611aff1e2852a051557bf9f239096c193a
diff --git a/workflows/att-workflow/requirements.yaml b/workflows/att-workflow/requirements.yaml
index f5e1053..f871494 100644
--- a/workflows/att-workflow/requirements.yaml
+++ b/workflows/att-workflow/requirements.yaml
@@ -15,5 +15,5 @@
 
 dependencies:
 - name: att-workflow-driver
-  version: 1.0.11
+  version: 1.0.12
   repository: file://../../xos-services/att-workflow-driver