Prepare Release v2.2.1

Author: LKaemmerling

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Changelog
 
-## master
+## 2.2.1 (22.07.2020)
 * Make package requirements less strict
 * Bugfix: getByName functions had a wrong return type and failed when a resource was not found by name [#50](https://github.com/LKDevelopment/hetzner-cloud-php-sdk/issues/50)
 

src/HetznerAPIClient.php

@@ -22,7 +22,7 @@ class HetznerAPIClient
     /**
      * Version of the API Client.
      */
-    const VERSION = '2.2.0';
+    const VERSION = '2.2.1';
 
     const MAX_ENTITIES_PER_PAGE = 50;