Update spgw image in control plane chart

Change-Id: I2ca1959fa3e616d2286c5559a5c00fd27495230b
diff --git a/omec-control-plane/Chart.yaml b/omec-control-plane/Chart.yaml
index 5388092..10d11e0 100644
--- a/omec-control-plane/Chart.yaml
+++ b/omec-control-plane/Chart.yaml
@@ -10,4 +10,4 @@
 name: omec-control-plane
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 0.8.2
+version: 0.8.3