math/wxmaxima: update to 19.11.1

From ChangeLog:
https://github.com/wxMaxima-developers/wxmaxima/releases/tag/Version-19.11.1

• Improved italian translation by Marco Ciampa
• Autocompletion no more causes asserts
• A better logic that decides which cell to send to maxima
• wxMaxima now supports "-l", "-u" and "-X" command-line args like maxima
• The help files now are installed in the Right Place
• Many additional small bug fixes

PR: 241964
Submitted by: phascolarctos@protonmail.ch (maintainer)