azure tests: disable TestInstallDNSSECFirst
    
    The test TestInstallDNSSECFirst is failing because of one of its
    dependencies (the most likely suspect is the update of openssl-pkcs11).
    Disable the test from azure gating until the issue is solved.
    
    Related: https://pagure.io/freeipa/issue/9216
    Signed-off-by: Florence Blanc-Renaud <flo@redhat.com>
    Reviewed-By: Francisco Trivino <ftrivino@redhat.com>
    Reviewed-By: Carla Martinez <carlmart@redhat.com>