fix number of spin in input file for sfx2c · Green-Phys/green-mbtools@d9d8f79

gmp 6.3.0 is already installed and up-to-date. To reinstall 6.3.0, run: brew reinstall gmp

mpfr 4.2.1 is already installed and up-to-date. To reinstall 4.2.1, run: brew reinstall mpfr

Setting SYSTEM_VERSION_COMPAT=0 to ensure CPython 3.8 can get correct macOS version and allow installation of wheels with MACOSX_DEPLOYMENT_TARGET >= 11.0. See https://github.com/pypa/cibuildwheel/issues/1767 for the details.