fix typo on UsesSubscriptions::cancelSubscription

Author: fadrian06

src/Auth/UsesSubscriptions.php

@@ -73,6 +73,6 @@ public function cancelSubscription(): bool
             return true;
         }
 
-        return billing()->cancelSubcription($subscription['subscription_id']);
+        return billing()->cancelSubscription($subscription['subscription_id']);
     }
 }