Updates the SendGrid credentials for the given app.
API Key with fullAccess scope(i.e. Rest API Key from the Dashboard).
The SendGrid API key
"SG.9ipFP4b17yT-Fff2GGrH8FF0GqdkBohXAEI4GnTSj9Q="
The SendGrid template ID
"d-8284bb9646a040499d5cfa28d272a094"
The SendGrid unsubscribe group ID
"33832"
The name of the sender
"Emailer"
The email address of the sender
"noreply@em123.example.com"
The email address when replies are enabled (optional)
"reply@em123.example.com"
Enable SendGrid