chore: update LLVM version to 20.1.8 (#48)

Co-authored-by: GitHub Action <github-actions[bot]@users.noreply.github.com>

Author: magic-akari

CMakeLists.txt

@@ -20,11 +20,11 @@ if(NOT CMAKE_BUILD_TYPE)
     set(CMAKE_BUILD_TYPE "MinSizeRel")
 endif()
 
-set(LLVM_VERSION "20.1.7")
+set(LLVM_VERSION "20.1.8")
 
 FetchContent_Declare(llvm_project
     URL "https://github.com/llvm/llvm-project/releases/download/llvmorg-${LLVM_VERSION}/llvm-project-${LLVM_VERSION}.src.tar.xz"
-    URL_HASH SHA256=cd8fd55d97ad3e360b1d5aaf98388d1f70dfffb7df36beee478be3b839ff9008
+    URL_HASH SHA256=6898f963c8e938981e6c4a302e83ec5beb4630147c7311183cf61069af16333d
     TLS_VERIFY TRUE
     DOWNLOAD_EXTRACT_TIMESTAMP TRUE
 )