[SSSD] [sssd PR#5280][comment] p11_child: switch default ocsp_dgst to sha1

[alexey-tikhonov]

URL: https://github.com/SSSD/sssd/pull/5280
Title: #5280: p11_child: switch default ocsp_dgst to sha1

alexey-tikhonov commented:
"""
Hi,
> I think it would be good if you can add an explanation to the man page that `sha1` is used as default to be compliant with RFC5019.

Please take a look at this version.
"""

See the full comment at https://github.com/SSSD/sssd/pull/5280#issuecomment-677698016