Bump xos-core, xos-services, workflows, seba-services to be compatible with xos-core>4

Change-Id: Iac0e2580fdfd0bb1023fbc6ce59a0a901084aad8
diff --git a/workflows/att-workflow/requirements.yaml b/workflows/att-workflow/requirements.yaml
index 3e59cc8..6f6e0da 100644
--- a/workflows/att-workflow/requirements.yaml
+++ b/workflows/att-workflow/requirements.yaml
@@ -15,5 +15,5 @@
 
 dependencies:
 - name: att-workflow-driver
-  version: 1.1.2
-  repository: https://charts.opencord.org
+  version: 2.0.0
+  repository: file://../../xos-services/att-workflow-driver