git: 8b885620ff1b..05834cae71b9 - vendor/llvm-project/release-18.x - vendor branch updated

[Dimitry Andric]

The branch vendor/llvm-project/release-18.x has been updated by dim:

URL: https://cgit.FreeBSD.org/src/log/?id=8b885620ff1b..05834cae71b9

05834cae71b9 Vendor import of llvm-project branch release/18.x 
llvmorg-18.1.3-0-gc13b7485b879.