newt 0.52.15

Newt (Whiptail) is a programming library for text-based user interfaces.
It includes python bindings named snack module.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
byobu 5.41

Closes #20538.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
ghc: use :macos
jstalk: use :macos and tarball
jstalk: add HEAD

There are unreleased fixes for building on newer SDKs than 10.6.

Closes #20543.
mupdf: use :macos
mplayershell: use :macos
nu: use :macos
povray: use :macos