Merge pull request #8 from yubarajshrestha/dependabot/github_actions/codecov/codecov-action-3

Bump codecov/codecov-action from 2 to 3

Author: yubarajshrestha

.github/workflows/pythonapp.yml

@@ -26,7 +26,7 @@ jobs:
         run: |
           make coverage
       - name: Upload coverage
-        uses: codecov/codecov-action@v2
+        uses: codecov/codecov-action@v3
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: false