Bump version to 9.3.1

Author: bobbrodie

phpdoc.dist.xml

@@ -10,7 +10,7 @@
     <output>docs</output>
   </paths>
 
-  <version number="9.3.0">
+  <version number="9.3.1">
     <api format="php">
       <source dsn=".">
         <path>src</path>

src/BitPaySDK/Env.php

@@ -17,7 +17,7 @@ interface Env
     public const TEST_URL = "https://test.bitpay.com/";
     public const PROD_URL = "https://bitpay.com/";
     public const BITPAY_API_VERSION = "2.0.0";
-    public const BITPAY_PLUGIN_INFO = "BitPay_PHP_Client_v9.3.0";
+    public const BITPAY_PLUGIN_INFO = "BitPay_PHP_Client_v9.3.1";
     public const BITPAY_API_FRAME = "std";
     public const BITPAY_API_FRAME_VERSION = "1.0.0";
     public const BITPAY_DATETIME_FORMAT = 'Y-m-d\TH:i:s\Z';