Merge pull request matplotlib#29727 from meeseeksmachine/auto-backport-of-pr-29726-on-v3.10.x

Backport PR matplotlib#29726 on branch v3.10.x (Add reference tag to Hatch style reference)

Author: rcomer

galleries/examples/shapes_and_collections/hatch_style_reference.py

@@ -62,3 +62,7 @@ def hatches_plot(ax, h):
 #    - `matplotlib.patches.Rectangle`
 #    - `matplotlib.axes.Axes.add_patch`
 #    - `matplotlib.axes.Axes.text`
+#
+# .. tags::
+#
+#    purpose: reference