git: 393b94eb9f51..7a0bec970311 - vendor/mandoc - vendor branch updated

From: Alexander Ziaee <ziaee_at_FreeBSD.org>
Date: Wed, 25 Jun 2025 17:49:39 UTC
The branch vendor/mandoc has been updated by ziaee:

URL: https://cgit.FreeBSD.org/src/log/?id=393b94eb9f51..7a0bec970311

7a0bec970311 Vendor import of mandoc at 2025-06-13