brew 2021-10-15

• [2021-10-15 03:04:49 +0900]: brew vendor-gems: commit updates.
• [2021-10-15 03:02:28 +0900]: build(deps-dev): bump sorbet in /Library/Homebrew
• [2021-10-15 01:17:55 +0900]: Use HOMEBREW_DEFAULT_PREFIX instead of /usr/local