minor: test coverage action

.github/workflows/codacy-coverage-reporter.yaml

@@ -13,13 +13,12 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.8
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         pip install flake8 pytest
         if [ -f requirements.txt ]; then pip install -r requirements-dev.txt; fi
-        pip install coverage
     - name: Install pylops
       run: |
         pip install .