Bump codecov/codecov-action from 3 to 4

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 3 to 4.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](https://github.com/codecov/codecov-action/compare/v3...v4)

---
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>

.github/workflows/codecov_workflow.yml

@@ -9,6 +9,6 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Upload coverage reports to Codecov
-              uses: codecov/codecov-action@v3
+              uses: codecov/codecov-action@v4
               env:
                 CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}