consistent SCC options (#924) #1374

Job	Run time
xtb-lightweight-cmake-build (ubuntu-latest, gfortran-10, gcc-10)	1m 15s
xtb-lightweight-cmake-build (ubuntu-latest, gfortran-10, gcc-10)	1m 15s
gcc-cmake-build (ubuntu-latest, gfortran-10, gcc-10)	2m 25s
gcc-cmake-build (ubuntu-latest, gfortran-10, gcc-10)	2m 25s
gcc-meson-build (macos-latest, gfortran-11, gcc-11)	5m 42s
gcc-meson-build (macos-latest, gfortran-11, gcc-11)	5m 42s
xtb-lightweight-meson-build (ubuntu-latest, gfortran-11, gcc-11)	1m 27s
xtb-lightweight-meson-build (ubuntu-latest, gfortran-11, gcc-11)	1m 27s
gcc-meson-build (ubuntu-latest, gfortran-11, gcc-11)	2m 56s
gcc-meson-build (ubuntu-latest, gfortran-11, gcc-11)	2m 56s
intel-meson-build (ubuntu-20.04, ifort, icc)	7m 54s
intel-meson-build (ubuntu-20.04, ifort, icc)	7m 54s
mingw-meson-build (MINGW64, x86_64)	5m 21s
mingw-meson-build (MINGW64, x86_64)	5m 24s
gcc-meson-build (ubuntu-latest, gfortran-9, gcc-9)	2m 48s
gcc-meson-build (ubuntu-latest, gfortran-9, gcc-9)	2m 48s
gcc-meson-build (ubuntu-latest, gfortran-10, gcc-10)	3m 3s
gcc-meson-build (ubuntu-latest, gfortran-10, gcc-10)	3m 3s
continuous-delivery	26s
continuous-delivery	26s
	1h 6m 37s

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