Bump eslint-utils from 1.4.0 to 1.4.3 in /example

Bumps [eslint-utils](https://github.com/mysticatea/eslint-utils) from 1.4.0 to 1.4.3.
- [Release notes](https://github.com/mysticatea/eslint-utils/releases)
- [Commits](mysticatea/eslint-utils@v1.4.0...v1.4.3)

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

Author: dependabot[bot]