git: 3b922bd9516f..23e196feed9f - vendor/llvm-project/release-16.x - vendor branch updated

From: Dimitry Andric <dim_at_FreeBSD.org>
Date: Thu, 22 Jun 2023 10:05:52 UTC
The branch vendor/llvm-project/release-16.x has been updated by dim:

URL: https://cgit.FreeBSD.org/src/log/?id=3b922bd9516f..23e196feed9f

23e196feed9f Vendor import of llvm-project branch release/16.x llvmorg-16.0.6-0-g7cbf1a259152 (aka 16.0.6 release).