Change url of leaflet.timedimension.control.min.css to https CDN (#1256)

Author: sknzl

folium/plugins/heat_map_withtime.py

@@ -179,7 +179,7 @@ def render(self, **kwargs):
             name='leaflet-heatmap.js')
 
         figure.header.add_child(
-            CssLink('http://apps.socib.es/Leaflet.TimeDimension/dist/leaflet.timedimension.control.min.css'),  # noqa
+            CssLink('https://rawcdn.githack.com/socib/Leaflet.TimeDimension/master/dist/leaflet.timedimension.control.min.css'),  # noqa
             name='leaflet.timedimension.control.min.css')
 
         figure.header.add_child(

folium/plugins/timestamped_wmstilelayer.py

@@ -150,5 +150,5 @@ def render(self, **kwargs):
             name='highlight.js_css')
 
         figure.header.add_child(
-            CssLink('http://apps.socib.es/Leaflet.TimeDimension/dist/leaflet.timedimension.control.min.css'),  # noqa
+            CssLink('https://rawcdn.githack.com/socib/Leaflet.TimeDimension/master/dist/leaflet.timedimension.control.min.css'),  # noqa
             name='leaflet.timedimension_css')

tests/plugins/test_heat_map_withtime.py

@@ -32,7 +32,7 @@ def test_heat_map_with_time():
     assert script in out
     script = '<script src="https://rawcdn.githack.com/python-visualization/folium/master/folium/templates/pa7_leaflet_hm.min.js"></script>'  # noqa
     assert script in out
-    script = '<link rel="stylesheet" href="http://apps.socib.es/Leaflet.TimeDimension/dist/leaflet.timedimension.control.min.css"/>'  # noqa
+    script = '<link rel="stylesheet" href="https://rawcdn.githack.com/socib/Leaflet.TimeDimension/master/dist/leaflet.timedimension.control.min.css"/>'  # noqa
     assert script in out
 
     # We verify that the script part is correct.