Bump required version of bind-dyndb-ldap to 11.0-2
Fedora release bind-dyndb-ldap 11.0-2 transforms existing named.conf
old style API to the new style API. This package version is required
to enable upgrade of existing IPA installations to new version.
https://fedorahosted.org/freeipa/ticket/6565
Reviewed-By: Pavel Vomacka <pvomacka@redhat.com>