Bump version to 7.3.0

Author: bobbrodie

src/BitPaySDK/Client.php

@@ -65,7 +65,7 @@
  * Class Client
  * @package Bitpay
  * @author  Antonio Buedo
- * @version 7.2.0
+ * @version 7.3.0
  * See bitpay.com/api for more information.
  * date 15.11.2021
  */

src/BitPaySDK/Env.php

@@ -9,7 +9,7 @@ interface Env
     const TestUrl               = "https://test.bitpay.com/";
     const ProdUrl               = "https://bitpay.com/";
     const BitpayApiVersion      = "2.0.0";
-    const BitpayPluginInfo      = "BitPay_PHP_Client_v7.2.0";
+    const BitpayPluginInfo      = "BitPay_PHP_Client_v7.3.0";
     const BitpayApiFrame        = "std";
     const BitpayApiFrameVersion = "1.0.0";
 }