ipa-dnskeysyncd: Raise loglevel to DEBUG
    
    Previously, the logging level of StreamHandler for ipa-dnskeysyncd
    was restricted to INFO via `standard_logging_setup(verbose=False)`.
    Thus, it was impossible to get messages having lower level.
    
    This also sets the loglevel for ipa-dnskeysyncd to DEBUG for
    troubleshooting.
    
    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>