version bump

Author: fballiano

app/Mage.php

@@ -226,7 +226,7 @@ public static function getOpenMageVersionInfo()
         return [
             'major'     => '19',
             'minor'     => '4',
-            'patch'     => '21',
+            'patch'     => '22',
             'stability' => '', // beta,alpha,rc
             'number'    => '', // 1,2,3,0.3.7,x.7.z.92 @see https://semver.org/#spec-item-9
         ];