Also install geopandas

Author: hansthen

.github/workflows/test_streamlit_folium.yml

@@ -45,6 +45,7 @@ jobs:
     - name: Install streamlit_folium dev dependencies
       run: |
         pip install -r streamlit_folium/tests/requirements.txt
+        pip install geopandas
 
     - name: Install playwright dependencies
       run: |