Update gnbsim config path & image tag

Change-Id: Ic313d4ea8538fb501438eeee34cda6fe582a75bd
diff --git a/5g-ran-sim/Chart.yaml b/5g-ran-sim/Chart.yaml
index 19fa491..4b0ac0b 100644
--- a/5g-ran-sim/Chart.yaml
+++ b/5g-ran-sim/Chart.yaml
@@ -8,4 +8,4 @@
 name: 5g-ran-sim
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 0.4.1
+version: 0.4.2