* Update GitHub CI to handle Enzyme/LLVM changes in Homebrew.
* GitHub CI: try to allow the Enzyme job to fail
* GitHub CI: fix a typo in last commit
* GitHub CI: another try to allow the Enzyme job to fail.
* GitHub CI: another try to allow the Enzyme job to fail.
* GitHub CI: another try to allow the Enzyme job to fail.
* GitHub CI: another try to allow the Enzyme job to fail.
* GitHub CI: try without fail-fast == false.
* GitHub CI: try to fix the LLVM link issue in the Enzyme job.
Veselin Dobrev
2d57401575