Try looking up the path to LLVM

Author: pcolby

.github/workflows/build.yaml

@@ -215,8 +215,7 @@ jobs:
           - { qt: '6.8.0', env: { cc: gcc-14 } }
     steps:
       - uses: actions/checkout@v4
-      #- run: find / -name 'llvm-profdata*'
-      #- run: find / -name 'llvm-cov*'
+      - run: brew --prefix llvm
       - run: |
           /opt/homebrew/Cellar/llvm@18/18.1.8/bin/llvm-profdata --version
           /opt/homebrew/Cellar/llvm@18/18.1.8/bin/llvm-cov --version