Change back to codecov (#2363)

.github/workflows/coverage.yml

@@ -20,7 +20,6 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-
       - uses: actions/setup-python@v1
         with:
           python-version: ${{ matrix.python-version }}
@@ -29,9 +28,9 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install tox
-      - uses: paambaati/codeclimate-action@v2.5.3
-        if: always()
-        env:
-          CC_TEST_REPORTER_ID: ${{ secrets.CODECLIMATE }}
+      - name: Run coverage
+        run: tox -e coverage
+      - uses: codecov/codecov-action@v2
         with:
-          coverageCommand: tox -e coverage
+          files: ./coverage.xml
+          fail_ci_if_error: false