ci: Set openmpi and openmp parameters to make an efficient use of the CI #3971

Job	Run time
git_checks	6s
format	26s
linux_ubuntu (ubuntu20.04, gcc8, shared, ompi)	36m 9s
docker (ubuntu-bionic)	8m 10s
macos (macos11, serial)	30m 1s
CodeQL (cpp)	22m 48s
linux_ubuntu (ubuntu20.04, gcc9, shared, ompi)	38m 2s
linux_ubuntu (ubuntu20.04, gcc10, shared, ompi)	36m 28s
macos (macos12, serial)	3m 33s
linux_el8 (el8, icc, ompi)	56m 7s
linux_ubuntu (ubuntu20.04, gcc11, shared, ompi)	36m 47s
windows (win2019, serial)	11m 51s
linux_ubuntu (ubuntu20.04, clang6, shared, ompi)	31m 14s
linux_el8 (el8, oneapi, ompi)	55m 42s
windows (win2019, ompi)	14m 12s
linux_ubuntu (ubuntu20.04, clang10, shared, ompi)	29m 2s
windows (win2022, serial)	10m 28s
linux_ubuntu (ubuntu20.04, gcc10, mpich)	26m 56s
windows (win2022, ompi)	13m 22s
linux_ubuntu (ubuntu20.04, gcc8, serial)	13m 31s
linux_ubuntu (ubuntu20.04, clang6, serial)	7m 39s
linux_ubuntu (ubuntu20.04, gcc8, static, ompi, build_only)	7m 33s
linux_ubuntu (ubuntu20.04, clang6, static, ompi, build_only)	4m 47s
linux_ubuntu (ubuntu20.04, gcc8, static, serial)	5m 28s
contract (lammps)	4m 18s
contract (tau)	10m 43s
build_and_test	1s
	8h 35m 24s

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