Update lint-test-cov.yml

.github/workflows/lint-test-cov.yml

@@ -26,7 +26,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install flake8 pytest pytest-flake8 pytest-cov
+        pip install flake8 codecov pytest pytest-flake8 pytest-cov
         if [ -f requirements-dev.txt ]; then pip install -r requirements-dev.txt; fi
     - name: Lint, testing and coverage with pytest
       run: |