Bump sd-core images

Change-Id: I3eb53b412438d2d0bd5ff427e7439dce07c2ddaf
diff --git a/omec/omec-control-plane/Chart.yaml b/omec/omec-control-plane/Chart.yaml
index 2a2cb00..0300f5d 100644
--- a/omec/omec-control-plane/Chart.yaml
+++ b/omec/omec-control-plane/Chart.yaml
@@ -10,4 +10,4 @@
 name: omec-control-plane
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 0.6.19
+version: 0.6.20