devel/llvm15: Update to 15.0.5

For a list of changes since 15.0.4, see
https://discourse.llvm.org/t/llvm-15-0-5-release

devel/llvm15/Makefile

 PORTNAME=	llvm
-DISTVERSION=	15.0.4
+DISTVERSION=	15.0.5
 PORTREVISION=	0
 CATEGORIES=	devel lang
 MASTER_SITES=	https://github.com/llvm/llvm-project/releases/download/llvmorg-${DISTVERSION:S/rc/-rc/}/ \

devel/llvm15/distinfo

-TIMESTAMP = 1667492626
-SHA256 (llvm-project-15.0.4.src.tar.xz) = a3112dca9bdea4095361829910b74fb6b9da8ae6e3500db67c43c540ad6072da
-SIZE (llvm-project-15.0.4.src.tar.xz) = 110936424
+TIMESTAMP = 1668616894
+SHA256 (llvm-project-15.0.5.src.tar.xz) = 9c4278a6b8884eb7f4ae7dfe3c8e5445019824885e47cfdf1392563c47316fd6
+SIZE (llvm-project-15.0.5.src.tar.xz) = 110931004