also correct LineCollection zorder type

ksunden · ksunden · commit 2f4f4cadcbf9 · 2022-12-21T11:57:07.000-06:00
diff --git a/lib/matplotlib/collections.py b/lib/matplotlib/collections.py
@@ -1390,7 +1390,7 @@ def __init__(self, segments,  # Can be None.
             allowed).
         antialiaseds : bool or list of bool, default: :rc:`lines.antialiased`
             Whether to use antialiasing for each line.
-        zorder : int, default: 2
+        zorder : float, default: 2
             zorder of the lines once drawn.
 
         facecolors : color or list of color, default: 'none'
