Add MIN_VERSION_MOAT

CRM/Stripe/Check.php

@@ -27,6 +27,7 @@ class CRM_Stripe_Check {
    */
   const MIN_VERSION_MJWSHARED = '1.2.14';
   const MIN_VERSION_FIREWALL = '1.5.8';
+  const MIN_VERSION_MOAT = '1.1';
 
   /**
    * @var array