Upgrade certifi and urllib3 in the GitHub Actions workflow

.github/workflows/robot-framework.yml

@@ -31,7 +31,7 @@ jobs:
             key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements*.txt') }}
         - name: Install pip dependencies
           run: |
-            pip install --upgrade pip
+            pip install --upgrade pip certifi urllib3
             pip install -r requirements.txt -r requirements-test.txt
         - name: Run Streamlit app
           run: streamlit run streamlit_app.py &