Merge pull request #2229 from 3b1b:add-dependency

Add mapbox-earcut dependency

Author: 3b1b

setup.cfg

@@ -33,6 +33,7 @@ install_requires =
     ipython>=8.18.0
     isosurfaces
     fontTools
+    mapbox-earcut
     manimpango>=0.6.0
     matplotlib
     moderngl