Update VERSION for 4.4.50

Author: fabpot

Kernel.php

@@ -76,11 +76,11 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
 
     private static $freshCache = [];
 
-    public const VERSION = '4.4.49';
-    public const VERSION_ID = 40449;
+    public const VERSION = '4.4.50';
+    public const VERSION_ID = 40450;
     public const MAJOR_VERSION = 4;
     public const MINOR_VERSION = 4;
-    public const RELEASE_VERSION = 49;
+    public const RELEASE_VERSION = 50;
     public const EXTRA_VERSION = '';
 
     public const END_OF_MAINTENANCE = '11/2022';