composer/library/composer-json-utils#1 Don't store hash in custom variables

src/Handler.php

@@ -119,7 +119,7 @@ class Handler extends BaseHandler {
     catch (Exception $e) {
       $hash = 'no-random-bytes-available';
     }
-    $this->config->setValue('hash', $hash);
+    $this->config->setValue('hash', $hash, FALSE);
 
     $settings_files = [
       'settings.php',