message: Use mpi-aware cache key
diff: @@ -185,7 +185,7 @@ jobs:
  uses: actions/cache@v3
  with:
  path: vcpkg_cache
  - key: ${{ runner.os }}-vcpkg-v1
  + key: ${{ runner.os }}-${{ matrix.mpi }}-vcpkg-v1
  - name: prepare binary cache location
  if: matrix.os == 'windows-2022' && steps.vcpkg-cache.outputs.cache-hit != 'true'
  