Config fixes for amf, smf, gnbsim

Fixing mongodb config for amf & smf
Fixing http server config for gnbsim

Change-Id: I39596c6b7bcaf8dc023b2efcac1a2b6d73250b3a
diff --git a/5g-ran-sim/Chart.yaml b/5g-ran-sim/Chart.yaml
index 64d1cba..30f3186 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: 0.5.5
+version: 0.5.6