updated mpi (technically downgraded) for all relevant packages so the… #72

Job	Run time
publish / build-package (macos-latest)	10m 8s
publish / build-package (macos-latest)	19m 30s
publish / build-package (ubuntu-latest)	10m 24s
publish / build-package (ubuntu-latest)	11m 7s
	51m 9s

Provide feedback