Re-add stripe php library v 10.5.0, git errored because it had it's own git folder

vendor/stripe-php-10.5.0/lib/Exception/ApiConnectionException.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Stripe\Exception;
+
+/**
+ * ApiConnection is thrown in the event that the SDK can't connect to Stripe's
+ * servers. That can be for a variety of different reasons from a downed
+ * network to a bad TLS certificate.
+ */
+class ApiConnectionException extends ApiErrorException
+{
+}