Updated the plugin version number to 1.3.4

Author: gertrude-paystack

main.php

@@ -4,7 +4,7 @@
  * Plugin Name: MemberPress Paystack
  * Plugin URI: https://wordpress.org/plugins/paystack-memberpress/
  * Description: Paystack integration for MemberPress.
- * Version: 1.3.3
+ * Version: 1.3.4
  * Author: Paystack
  * Author URI: https://paystack.com/
  * Developer: Wisdom Ebong