testing/maxima: new aport

Merged Jakob Meier requested to merge comcloudway/aports:maxima into master

A sophisticated computer algebra system https://maxima.sourceforge.io/

Needed for #14155

NOTE: the checks fail
Trying to get the build logs from the CI and submit a Bug report to maxima.

NOTE2: I'll squash the commits later, but it is easier to keep track of what is happening

NOTE3: See summary

Edited by Jakob Meier

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