Update codecov.yml

Author: reiase

.github/workflows/codecov.yml

@@ -16,11 +16,10 @@ jobs:
         python-version: '3.9'
     - name: Install requirements
       run: |
-        pip install -r requirements.txt && pip install pytest pytest-cov &&
-        pip install -r test_requirements.txt
+        pip install pytest pytest-cov
     - name: Run tests and collect coverage
       run: pytest --cov=./ --cov-report=xml
     - name: Upload coverage reports to Codecov with GitHub Action
       uses: codecov/codecov-action@v3
       with:
-        token: ${{ secrets.CODECOV }}
+        token: ${{ secrets.CODECOV }}