prepare release

changelog

@@ -1,4 +1,4 @@
-2021-02-XX Quentin Garnier <qgarnier@centreon.com>
+2021-02-18 Quentin Garnier <qgarnier@centreon.com>
  * Plugin added: Google Cloud CloudSQL MySQL
  * Plugin added: Google Cloud Storage
  * Plugin added: Azure Load Balancer
@@ -8,7 +8,11 @@
  * Plugin added: Notification Jasmin SMS
  * Plugin added: Athonet ePC SNMP
  * Plugin added: Meru SNMP
+ * Plugin added: Ubiquiti Airfiber SNMP
+ * Plugin added: EMC PPMA Rest API
+ * Plugin added: DenyALL SNMP
  * Mode added: [cisco/standard/snmp] 'aaa-servers'
+ * Break: refactoring for protocol x509
 
 2021-01-13 Quentin Garnier <qgarnier@centreon.com>
  * Plugin added: Hitachi HCP SNMP