try no brew install

Author: ljgray

.github/workflows/main.yml

@@ -49,7 +49,7 @@ jobs:
             os-dependencies: install -y libopenmpi-dev openmpi-bin libhdf5-serial-dev
           - os: macos-latest
             os-installer: brew
-            os-dependencies: install llvm open-mpi
+            os-dependencies: install # llvm open-mpi
 
     runs-on: ${{ matrix.os }}