git: b3ca86c61e06..8b885620ff1b - vendor/llvm-project/release-18.x - vendor branch updated

From: Dimitry Andric <dim_at_FreeBSD.org>
Date: Sun, 10 Mar 2024 11:17:39 UTC
The branch vendor/llvm-project/release-18.x has been updated by dim:

URL: https://cgit.FreeBSD.org/src/log/?id=b3ca86c61e06..8b885620ff1b

8b885620ff1b Vendor import of llvm-project branch release/18.x llvmorg-18.1.1-0-gdba2a75e9c7e.