CompatHelper: bump compat for CairoMakie to 0.15, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the CairoMakie package from 0.10, 0.11, 0.12, 0.13 to 0.10, 0.11, 0.12, 0.13, 0.15.
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 48.77%. Comparing base (1efad54) to head (2717ca8).
⚠️ Report is 6 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #52   +/-   ##
=======================================
  Coverage   48.77%   48.77%           
=======================================
  Files          22       22           
  Lines        2663     2663           
=======================================
  Hits         1299     1299           
  Misses       1364     1364           

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