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](codecov/codecov-action@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/cicd.yml

@@ -347,7 +347,7 @@ jobs:
           python-version: "3.11"
 
       - name: "Upload coverage to Codecov"
-        uses: "codecov/codecov-action@v3"
+        uses: "codecov/codecov-action@v4"
         if: ${{ matrix.tox-prefix == 'coverage' }}
         with:
           token: ${{ secrets.CODECOV_TOKEN }}