SEBA-573 Use tosca-loader v1.3.1

Change-Id: I6c50e2a37bade2f519211fe705bd5a8784c91ca8
diff --git a/configs/seba-ponsim-voltha-1.7.yaml b/configs/seba-ponsim-voltha-1.7.yaml
index cf95882..bbf42b6 100644
--- a/configs/seba-ponsim-voltha-1.7.yaml
+++ b/configs/seba-ponsim-voltha-1.7.yaml
@@ -28,11 +28,11 @@
   xos_chameleon:
     tag: '3.2.2'
   xos_tosca:
-    tag: '1.3.0'
+    tag: '1.3.1'
   xos_api_tester:
     tag: 'master'
   tosca_loader:
-    tag: '1.3.0'
+    tag: '1.3.1'
 
 # ONOS
   onos: