update stripe-php 7.67.0

htdocs/includes/stripe/stripe-php/lib/Exception/OAuth/InvalidClientException.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Stripe\Exception\OAuth;
+
+/**
+ * InvalidClientException is thrown when the client_id does not belong to you,
+ * the stripe_user_id does not exist or is not connected to your application,
+ * or the API key mode (live or test mode) does not match the client_id mode.
+ */
+class InvalidClientException extends OAuthErrorException
+{
+}