GoReleaser writes the quarantine hook as a postflight block on each release.
Homebrew 7 deprecates that block. The new workflow rewrites it to
postflight_steps after every push to main.
GoReleaser regenerates each cask with a postflight block, which Homebrew rejects. A script now rewrites it to postflight_steps before test-bot runs. The four current casks are rewritten as well.