Merge pull request #668 from conjure-cp/buildupdate_minizinc · conjure-cp/conjure@d0721c1

Treating cmake as a formula. For the cask, use homebrew/cask/cmake or specify the `--cask` flag. To silence this message, use the `--formula` flag.

cmake 3.30.5 is already installed and up-to-date. To reinstall 3.30.5, run: brew reinstall cmake

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