chore(install): update version to 21.04.9 (#10424)

* chore(install): update version to 21.04.9

* fix centreon-bot error

* fix coding style

www/install/insertBaseConf.sql

@@ -2,7 +2,7 @@
 -- Insert version
 --
 
-INSERT INTO `informations` (`key` ,`value`) VALUES ('version', '21.04.8');
+INSERT INTO `informations` (`key` ,`value`) VALUES ('version', '21.04.9');
 
 --
 -- Contenu de la table `contact`

www/install/php/Update-21.04.9.php

+<?php
+
+/*
+ * Copyright 2005 - 2021 Centreon (https://www.centreon.com/)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * For more information : contact@centreon.com
+ *
+ */