Update required Stripe API verison to 2019-11-05

CRM/Core/Payment/Stripe.php

@@ -16,7 +16,7 @@ class CRM_Core_Payment_Stripe extends CRM_Core_Payment {
    *
    * @var string
    */
-  const API_VERSION = '2019-09-09';
+  const API_VERSION = '2019-11-05';
 
   /**
    * Mode of operation: live or test.

docs/index.md

@@ -19,7 +19,7 @@ View/Download this extension in the [Extension Directory](https://civicrm.org/ex
 * PHP 7.1+
 * Jquery 1.10 (Use jquery_update module on Drupal).
 * Drupal 7 / Joomla / Wordpress (latest supported release). *Not currently tested with other CMS but it may work.*
-* Stripe API version: 2019-09-09
+* Stripe API version: 2019-11-05
 * Drupal webform_civicrm 7.x-4.28+ (if using webform integration) - does NOT support test mode:  
   * If using test mode with drupal webform_civicrm (4.x) you need [this patch for webform_civicrm](https://github.com/colemanw/webform_civicrm/pull/266).
   * If using drupal webform_civicrm (4.x) you need [this patch for CiviCRM core](https://github.com/civicrm/civicrm-core/pull/15340).

docs/release/release_notes.md

+## Release 6.3 (Not yet released)
+
+* **Update required Stripe API version to 2019-11-05**
+
+
 ## Release 6.2.2
 
 * Make sure we detect memberships as auto-renew when they are "forced".