chore(deps): 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] <support@github.com>

.github/workflows/rust.yml

@@ -121,7 +121,7 @@ jobs:
         if: ${{ matrix.label == 'full' }}
 
       - name: Codecov submission of fast test results
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           verbose: true
           fail_ci_if_error: true