update gateway ingress configuration to change namespace from csi-dev to csi-uat

ingress/gateway-ingress.yaml

@@ -25,7 +25,7 @@ metadata:
     nginx.org/proxy-connect-timeout: 60s
     nginx.org/proxy-read-timeout: 60s
   name: gateway-new-ingress
-  namespace: csi-dev
+  namespace: csi-uat
 spec:
   rules:
   - host: quat.cloudsolutions.lk