Merge pull request #2 from xixu-me/dependabot/github_actions/codecov/codecov-action-5

Bump codecov/codecov-action from 3 to 5

.github/workflows/ci.yml

@@ -43,7 +43,7 @@ jobs:
 
       - name: Upload coverage to Codecov
         if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.12'
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v5
         with:
           file: ./coverage.xml
           flags: unittests