Install dependencies in the same env

Author: hansthen

Diff for: .github/workflows/test_streamlit_folium.yml

@@ -43,9 +43,9 @@ jobs:
         pip install -e .
 
     - name: Install streamlit_folium dev dependencies
+      shell: bash -l {0}
       run: |
         pip install -r streamlit_folium/tests/requirements.txt
-        pip install geopandas
 
     - name: Install playwright dependencies
       run: |