spec: Require ldns-utils

drill util helps to get information about DNSSEC for testing.

Fixes: https://pagure.io/freeipa/issue/8094
Signed-off-by: Stanislav Levin <slev@altlinux.org>
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>
Reviewed-By: Christian Heimes <cheimes@redhat.com>

freeipa.spec.in

@@ -780,6 +780,7 @@ If you are using IPA, you need to install this package.
 Summary: IPA tests and test tools
 BuildArch: noarch
 %{?python_provide:%python_provide python3-ipatests}
+Requires: ldns-utils
 Requires: python3-ipaclient = %{version}-%{release}
 Requires: python3-ipaserver = %{version}-%{release}
 Requires: iptables