reset folium version in docs

Author: Conengmo

docs/conf.py

@@ -54,9 +54,9 @@
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 
-from importlib.metadata import version as get_version
+import folium
 
-version = release = get_version("folium")
+version = release = folium.__version__
 print(f"Version: {version}")
 
 # The language for content autogenerated by Sphinx. Refer to documentation