Bump linuxbrew/Homebrew from `474c1ab` to `831a660`
Bump linuxbrew/Homebrew from `474c1ab` to `831a660`

Bumps [linuxbrew/Homebrew](https://github.com/Homebrew/brew) from `474c1ab` to `831a660`.
- [Release notes](https://github.com/Homebrew/brew/releases)
- [Commits](https://github.com/Homebrew/brew/compare/474c1ab7f699bdc2fca1573c15e2e9d2298df8ea...831a6605bd7ef7b686cd719778a8e9c841b583e6)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
doot/dotfiles,doot/dotfiles