Bump chart version

Author: jp-gouin

Chart.yaml

@@ -8,7 +8,7 @@ dependencies:
     version: 0.1.x
     condition: phpldapadmin.enabled
 home: https://www.openldap.org
-version: 2.1.5
+version: 2.1.6
 appVersion: 2.4.57
 description: Community developed LDAP software
 icon: https://raw.githubusercontent.com/jp-gouin/helm-openldap/master/logo.png