Update cmake-linux-x86.yml

Author: sam-astro

.github/workflows/cmake-linux-x86.yml

@@ -40,7 +40,7 @@ jobs:
         git config --add remote.origin.fetch '^refs/heads/users/*'
         git config --add remote.origin.fetch '^refs/heads/revert-*'
         git clone --depth 1 https://github.com/llvm/llvm-project.git
-        git reset --hard 7615503409f19ad7e2e2f946437919d0689d4b3e
+        git fetch origin 7615503409f19ad7e2e2f946437919d0689d4b3e
         cd llvm-project
         cmake -S llvm -B build -G Ninja- DLLVM_TARGETS_TO_BUILD="X86" -DCMAKE_BUILD_TYPE=MinSizeRel
         cmake --build build