fix identity url in current helm version

Author: Borja García Rodríguez

deploy/k8s/helm/ordering-signalrhub/templates/configmap.yaml

@@ -15,4 +15,4 @@ data:
   all__InstrumentationKey: "{{ .Values.inf.appinsights.key }}"
   all__UseAzureServiceBus: "{{ .Values.inf.eventbus.useAzure }}"
   signalr__StoreConnectionString: {{ .Values.inf.redis.keystore.constr }}
-  urls__IdentityUrl: http://{{ $identity }}
+  urls__IdentityUrl: http://identity-api