roll back to v1 codecov workflow

Author: Tomasz Szymański

.github/workflows/package.yml

@@ -42,9 +42,8 @@ jobs:
     - name: Test with pytest
       run: |
         python -m pytest --cov-report=xml --cov=storages/
-    - uses: codecov/codecov-action@v2
+    - uses: codecov/codecov-action@v1
       with:
-        token: ${{ secrets.CODECOV_TOKEN }}
         files: ./coverage.xml
         fail_ci_if_error: true
         name: simple-storage