Fix typing

Author: ericpre

lib/matplotlib/collections.pyi

@@ -180,6 +180,9 @@ class EllipseCollection(Collection):
         ] = ...,
         **kwargs
     ) -> None: ...
+    def set_widths(self, widths: ArrayLike) -> None: ...
+    def set_heights(self, heights: ArrayLike) -> None: ...
+    def set_angles(self, angles: ArrayLike) -> None: ...
 
 class PatchCollection(Collection):
     def __init__(