Mogan v1.2.9.7-rc4: add Fedora support

#1

I will release Mogan v1.2.9.7 before 2024/11/28. Need your help to test it before the final release.

https://github.com/XmacsLabs/mogan/releases/tag/v1.2.9.7-rc4

Mogan is a distribution of GNU TeXmacs maintained by me ( @darcy ).

Here is the difference between Mogan and GNU TeXmacs:
https://mogan.app/guide/Mogan_versus_TeXmacs.html

#2

just fixed a regression for the maxima plugin on Windows.

If you wanna help test it, please use rc5: