arpack: add `arpack-ng` alias (#88050)
arpack: add `arpack-ng` alias (#88050)

The upstream project is called `arpack-ng`, so it would probably be
useful if `brew install arpack-ng` worked (instead of suggesting that
the user install `aircrack-ng`).
Homebrew/homebrew-core,Homebrew/homebrew-core,chrisfinazzo/homebrew-core,stgraber/homebrew-core,adam-moss/homebrew-core,chrisfinazzo/homebrew-core,sjackman/homebrew-core,nandub/homebrew-core,lemzwerg/homebrew-core,mfikes/homebrew-core,uyjulian/homebrew-core,sjackman/homebrew-core,nbari/homebrew-core,adam-moss/homebrew-core,mfikes/homebrew-core,filcab/homebrew-core,makigumo/homebrew-core,uyjulian/homebrew-core,filcab/homebrew-core,cblecker/homebrew-core,zyedidia/homebrew-core,makigumo/homebrew-core,stgraber/homebrew-core,cblecker/homebrew-core,zyedidia/homebrew-core,nandub/homebrew-core,nbari/homebrew-core,lemzwerg/homebrew-core