[Rosetta on ARM macOS Runner] Test install LLVM from x86_64 Homebrew

Author: Qubik65536

.github/workflows/rosetta-on-arm-macos-runner.yml

@@ -21,3 +21,6 @@ jobs:
       - name: Install x86_64 Homebrew
         run: |
           /usr/bin/arch -x86_64 /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+      - name: Install LLVm from x86_64 Homebrew
+        run: |
+          /usr/bin/arch -x86_64 brew install --force llvm