Fixes: ipa-otpd@.service: deprecated syslog setting
    
    This patch updates the deprecated syslog setting i.e
    StandardError=syslog with StandardError=journal
    
    Pagure: https://pagure.io/freeipa/issue/9279
    Ref: https://github.com/systemd/systemd/pull/15812
    
    Signed-off-by: Sudhir Menon <sumenon@redhat.com>
    Reviewed-By: Peter Keresztes Schmidt <carbenium@outlook.com>
    Reviewed-By: Florence Blanc-Renaud <flo@redhat.com>