Update SMF image to 3c91931

Change-Id: I4166d1b12dc0eaa7075d3786e9d0c500f22d6d5b
diff --git a/5g-control-plane/Chart.yaml b/5g-control-plane/Chart.yaml
index c603c73..1db7de8 100644
--- a/5g-control-plane/Chart.yaml
+++ b/5g-control-plane/Chart.yaml
@@ -8,7 +8,7 @@
 name: 5g-control-plane
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 0.6.0
+version: 0.6.1
 
 dependencies:
   - name: mongodb