Test both brew packages hdf5 and hdf5-mpi at the same time (conflicting?)

Author: siggmo

.github/workflows/build_and_test-mac.yaml

@@ -26,7 +26,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install FANS dependencies
-        run: brew install cmake hdf5 openmpi eigen fftw
+        run: brew install cmake hdf5 hdf5-mpi openmpi eigen fftw
 
       - name: Generate build directory
         run: mkdir -p ${{ env.FANS_BUILD_DIR }}