libpython-tabulate: use Python's `libexec/"bin"` (#107662)
libpython-tabulate: use Python's `libexec/"bin"` (#107662)

Needed for #107517.
makigumo/homebrew-core,makigumo/homebrew-core,stgraber/homebrew-core,Homebrew/homebrew-core,stgraber/homebrew-core,lemzwerg/homebrew-core,nandub/homebrew-core,chrisfinazzo/homebrew-core,nbari/homebrew-core,adam-moss/homebrew-core,sjackman/homebrew-core,lemzwerg/homebrew-core,filcab/homebrew-core,filcab/homebrew-core,chrisfinazzo/homebrew-core,adam-moss/homebrew-core,nbari/homebrew-core,Homebrew/homebrew-core,nandub/homebrew-core,sjackman/homebrew-core