git: 0320e0d5bb9f..1a79b20663ca - vendor/krb5 - vendor branch updated

From: Cy Schubert <cy_at_FreeBSD.org>
Date: Thu, 31 Aug 2023 14:34:23 UTC
The branch vendor/krb5 has been updated by cy:

URL: https://cgit.FreeBSD.org/src/log/?id=0320e0d5bb9f..1a79b20663ca

1a79b20663ca krb5: Import MIT 1.21.2