build(deps): bump codecov/codecov-action in /.github/workflows

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 4.2.0 to 4.3.1.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v4.2.0...v4.3.1)

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

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

.github/workflows/ci.yml

@@ -93,7 +93,7 @@ jobs:
       - name: Test and gather coverage
         run: cargo llvm-cov --lcov --output-path lcov.info --all-features --workspace --exclude nodle-parachain
       - name: Upload to Codecov
-        uses: codecov/codecov-action@v4.2.0
+        uses: codecov/codecov-action@v4.3.1
         with:
           fail_ci_if_error: false
           files: lcov.info