Follow-up from #29426:

Currently giacpy_sage tests fail (https://github.com/mkoeppe/sage/runs/959684347) because its sage-check needs the sage doctester

Depends on #29766

CC: @slel @kiwifb @frederichan-IMJPRG

Component: packages: optional

Issue created by migration from https://trac.sagemath.org/ticket/30324