Bump js-yaml in /demo/react-app-no-modal

Bumps  and [js-yaml](https://github.com/nodeca/js-yaml). These dependencies needed to be updated together.

Updates `js-yaml` from 3.14.1 to 3.14.2
- [Changelog](https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md)
- [Commits](nodeca/js-yaml@3.14.1...3.14.2)

Updates `js-yaml` from 4.1.0 to 4.1.1
- [Changelog](https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md)
- [Commits](nodeca/js-yaml@3.14.1...3.14.2)

---
updated-dependencies:
- dependency-name: js-yaml
  dependency-version: 3.14.2
  dependency-type: indirect
- dependency-name: js-yaml
  dependency-version: 4.1.1
  dependency-type: indirect
...

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

Author: dependabot[bot]