[stable/mongodb] Improve getting LoadBalancer address in NOTES.txt (#8047)

Signed-off-by: Carlos Rodriguez Hernandez <crhernandez@bitnami.com>

stable/mongodb/Chart.yaml

@@ -1,5 +1,5 @@
 name: mongodb
-version: 4.3.7
+version: 4.3.8
 appVersion: 4.0.2
 description: NoSQL document-oriented database that stores JSON-like documents with dynamic schemas, simplifying the integration of data in content-driven applications.
 keywords:

stable/mongodb/templates/NOTES.txt

@@ -55,7 +55,7 @@ To connect to your database from outside the cluster execute the following comma
   NOTE: It may take a few minutes for the LoadBalancer IP to be available.
         Watch the status with: 'kubectl get svc --namespace {{ .Release.Namespace }} -w {{ template "mongodb.fullname" . }}'
 
-    export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ template "mongodb.fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
+    export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ template "mongodb.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
     mongo --host $SERVICE_IP --port {{ .Values.service.nodePort }} {{- if .Values.usePassword }} -p $MONGODB_ROOT_PASSWORD{{- end }}
 
 {{- else if contains "ClusterIP" .Values.service.type }}