Require mjwshared 1.2.8

CRM/Stripe/Check.php

@@ -25,7 +25,7 @@ class CRM_Stripe_Check {
   /**
    * @var string
    */
-  const MIN_VERSION_MJWSHARED = '1.2.2';
+  const MIN_VERSION_MJWSHARED = '1.2.8';
   const MIN_VERSION_FIREWALL = '1.5.1';
 
   /**