MacOSのアップデートでHomebrewがOS Version Errorを吐いた

環境：
MacOS Catalina→Monterey
bash 5.1.8

OSをMontereyにアップデートし、ターミナルを起動したらHomebrewがエラーを吐いた。

Traceback (most recent call last):
	11: from /usr/local/Homebrew/Library/Homebrew/brew.rb:31:in `<main>'
	10: from /usr/local/Homebrew/Library/Homebrew/brew.rb:31:in `require_relative'
	 9: from /usr/local/Homebrew/Library/Homebrew/global.rb:80:in `<top (required)>'
	 8: from /usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/2.6.3_2/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
	 7: from /usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/2.6.3_2/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
	 6: from /usr/local/Homebrew/Library/Homebrew/os.rb:7:in `<top (required)>'
	 5: from /usr/local/Homebrew/Library/Homebrew/os.rb:43:in `<module:OS>'
	 4: from /usr/local/Homebrew/Library/Homebrew/os/mac.rb:60:in `prerelease?'
	 3: from /usr/local/Homebrew/Library/Homebrew/os/mac.rb:28:in `version'
	 2: from /usr/local/Homebrew/Library/Homebrew/os/mac/version.rb:32:in `from_symbol'
	 1: from /usr/local/Homebrew/Library/Homebrew/os/mac/version.rb:32:in `fetch'
/usr/local/Homebrew/Library/Homebrew/os/mac/version.rb:32:in `block in from_symbol': unknown or unsupported macOS version: :dunno (MacOSVersionError)

下記で解決した。

$ brew update-reset

公式ドキュメントによると
brew(1) – The Missing Package Manager for macOS (or Linux) — Homebrew Documentation

update-reset [repository …]
Fetch and reset Homebrew and all tap repositories (or any specified repository) using git(1) to their latest origin/HEAD.

Note: this will destroy all your uncommitted or committed changes.

• 訳

gitを使用し、Homebrewと全てのタップリポジトリ(または指定のリポジトリ)を最新のorigin/HEADにフェッチ・リセットする。

注意：未コミットやコミット済みの変更を全て破棄する。

コマンドでリポジトリを指定しなければ、GitHubからHomebrewとタップリポジトリの最新版（origin/HEAD）を取ってきます。