build(deps): bump js-yaml and react-vnc in /VC+/react_frontend

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

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@4.1.0...4.1.1)

Updates `react-vnc` from 0.5.4 to 3.1.0
- [Release notes](https://github.com/roerohan/react-vnc/releases)
- [Changelog](https://github.com/roerohan/react-vnc/blob/main/CHANGELOG.md)
- [Commits](roerohan/react-vnc@v0.5.4...v3.1.0)

---
updated-dependencies:
- dependency-name: js-yaml
  dependency-version: 4.1.1
  dependency-type: direct:production
- dependency-name: react-vnc
  dependency-version: 3.1.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]