Update netnewswire-beta from 6.0beta5 to 6.0.1b1 (#10602)
Update netnewswire-beta from 6.0beta5 to 6.0.1b1 (#10602)

* Update netnewswire-beta from 6.0beta5 to 6.0.1b1

* Update netnewswire-beta.rb
pkq/homebrew-versions,mahori/homebrew-cask-versions,pkq/homebrew-versions,404NetworkError/homebrew-versions,404NetworkError/homebrew-versions