tests/krb5: Add test requesting a TGT expiring post-2038

tests/krb5: Add test requesting a TGT expiring post-2038

This demonstrates the behaviour of Windows 11 22H2 over Kerberos,
which changed to use a year 9999 date for a forever timetime in
tickets.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15197

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Thu Oct 20 05:00:23 UTC 2022 on sn-devel-184

(backported from commit 50cbdecf2e276e5f87b9c2d95fd3ca86d11a08e2)

[abartlet@samba.org Adapted from 50cbdecf2e276e5f87b9c2d95fd3ca86d11a08e2
 as the kerberos tests have changed parameters in newer versions
 breaking the context]