ci: Change macOS builds from Intel to ARM.
Cirrus is about to shut down its macOS-on-Intel support, so it's time to
move our CI testing over to ARM instances. The Homebrew package manager
changed its default installation prefix for the new architecture, so a
couple of tests need tweaks to find bi
ci: Change macOS builds from Intel to ARM.
Cirrus is about to shut down its macOS-on-Intel support, so it's time to
move our CI testing over to ARM instances. The Homebrew package manager
changed its default installation prefix for the new architecture, so a
couple of tests need tweaks to find bi
