graphics/py-geopandas: Update 0.4.0_1 -> 0.4.1

Small bug-fix release for compatibility with the latest Fiona and PySAL
releases:

• Compatibility with Fiona 1.8: fix deprecation warning (#854 and #916).
• Compatibility with PySAL 2.0: switched to mapclassify instead of PySAL as dependency for choropleth mapping with the scheme keyword (#872).
• Fix for new overlay implementation in case the intersection is empty (#800).

PR: 236533
Submitted by: lbartoletti@tuxfamily.org (maintainer)
Sponsored by: Miles AS