Update codecov.yml

Author: djokester

.github/workflows/codecov.yml

@@ -13,7 +13,7 @@ jobs:
         with:
           python-version: '3.10'
       - name: Install dependencies
-        run: pip install -r requirements.txt
+        run: pip install -r requirements.txt pytest coverage
       - name: Run tests and collect coverage
         run: pytest --cov app ${{ env.CODECOV_ATS_TESTS }}
       - name: Upload coverage to Codecov