Add macOS CI for ASTE (#202) · precice/aste@f7bb59c

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 3.30.3 is already installed and up-to-date. To reinstall 3.30.3, run: brew reinstall cmake

pkg-config 0.29.2_3 is already installed and up-to-date. To reinstall 0.29.2_3, run: brew reinstall pkg-config