Update signal-beta from 1.40.0-beta.7 to 1.40.0-beta.8 (#10392)
Update signal-beta from 1.40.0-beta.7 to 1.40.0-beta.8 (#10392)



mahori/homebrew-cask-versions,404NetworkError/homebrew-versions,404NetworkError/homebrew-versions,pkq/homebrew-versions,pkq/homebrew-versions