Bump codecov/codecov-action from 2.1.0 to 3.0.0 (#758)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 2.1.0 to 3.0.0.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/master/CHANGELOG.md)
- [Commits](codecov/codecov-action@v2.1.0...v3.0.0)

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

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

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

Author: dependabot[bot]

.github/workflows/ci-cd.yml

@@ -611,7 +611,7 @@ jobs:
       timeout-minutes: 6
 
     - name: Upload coverage
-      uses: codecov/codecov-action@v2.1.0
+      uses: codecov/codecov-action@v3.0.0
       with:
         file: ./coverage.xml
         flags: "${{ matrix.os }}_${{ matrix.py }}_${{ join(matrix.db, '-') }}"