[SEBA-504] Using 1.0.19 version of att-workflow-driver synchronizer

Change-Id: If6b37e6757ff026c773630ea18c0927e9f23fcb5
diff --git a/workflows/att-workflow/requirements.yaml b/workflows/att-workflow/requirements.yaml
index 925988a..d907822 100644
--- a/workflows/att-workflow/requirements.yaml
+++ b/workflows/att-workflow/requirements.yaml
@@ -15,5 +15,5 @@
 
 dependencies:
 - name: att-workflow-driver
-  version: 1.0.17
+  version: 1.0.19
   repository: file://../../xos-services/att-workflow-driver