Update keka-beta from 1.2.0-dev.3901 to 1.2.0-beta.2 (#9384)
Update keka-beta from 1.2.0-dev.3901 to 1.2.0-beta.2 (#9384)

Co-authored-by: Vítor Galvão <59bd0a3ff43b32849b319e645d4798d8a5d1e889@vitorgalvao.com>
caskroom/homebrew-versions,404NetworkError/homebrew-versions,pkq/homebrew-versions,pkq/homebrew-versions,rogeriopradoj/homebrew-versions,rogeriopradoj/homebrew-versions,mahori/homebrew-cask-versions,caskroom/homebrew-versions,404NetworkError/homebrew-versions