fix pip in code cov

.github/workflows/test_runner.yaml

@@ -57,7 +57,8 @@ jobs:
 
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
+          # Fix pip version < 24.1 due to lightning incomaptibility
+          python -m pip install pip==23.2.1
           pip install -r runner-requirements.txt
           pip install pytest
           pip install pytest-cov[toml]