[fastily]

I do something similar. I bootstrap all my new installs with brew cask https://github.com/fastily/autobots/tree/master/macOS/setup

[setopt]

I bootstrap it using Brewfile (plaintext file read by Homebrew), which supports Casks too.

[incanus77]

Same here.

[sleepybrett]

Probably easy enough to write a script that will iterate that list and run the proper xattr command to remove each from quarantine.