Bump js-yaml and @redocly/cli in /docs/examples

Bumps [js-yaml](https://github.com/nodeca/js-yaml) to 4.1.1 and updates ancestor dependency [@redocly/cli](https://github.com/Redocly/redocly-cli). These dependencies need 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 `@redocly/cli` from 1.34.5 to 2.12.0
- [Release notes](https://github.com/Redocly/redocly-cli/releases)
- [Commits](https://github.com/Redocly/redocly-cli/compare/@redocly/[email protected]...@redocly/[email protected])

---
updated-dependencies:
- dependency-name: js-yaml
  dependency-version: 4.1.1
  dependency-type: indirect
- dependency-name: "@redocly/cli"
  dependency-version: 2.12.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]