Bump codecov/codecov-action from 2.0.2 to 2.0.3 (#262)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 2.0.2 to 2.0.3.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/master/CHANGELOG.md)
- [Commits](codecov/codecov-action@v2.0.2...v2.0.3)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build.yaml

@@ -40,7 +40,7 @@ jobs:
       run: |
         tox -e py`echo "${{ matrix.python_ver }}" | sed 's/\.//g'`
     - name: Upload test coverage
-      uses: codecov/codecov-action@v2.0.2
+      uses: codecov/codecov-action@v2.0.3
     - name: Build and publish Dapr Python SDK
       if: github.event_name != 'pull_request'
       env: