CompatHelper: bump compat for Makie in [weakdeps] to 0.24, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the Makie package from 0.20 to 0.20, 0.24.
This keeps the compat entries for earlier versions.

Note: I have not tested your package with this new compat entry.
It is your responsibility to make sure that your package tests pass before you merge this pull request.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.81%. Comparing base (bd3d1a0) to head (6314b30).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #79   +/-   ##
=======================================
  Coverage   98.81%   98.81%           
=======================================
  Files          21       21           
  Lines        1863     1863           
=======================================
  Hits         1841     1841           
  Misses         22       22           

Flag	Coverage Δ
unittests	98.81% <ø> (ø)

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[coveralls]

coverage: 98.819%. remained the same
when pulling 6314b30 on compathelper/new_version/2025-06-26-17-48-16-508-04041489720
into bd3d1a0 on main.