chore(deps-dev): bump eslint-plugin-vue in /Rnwood.Smtp4dev/ClientApp

Bumps [eslint-plugin-vue](https://github.com/vuejs/eslint-plugin-vue) from 7.20.0 to 9.22.0.
- [Release notes](https://github.com/vuejs/eslint-plugin-vue/releases)
- [Commits](vuejs/eslint-plugin-vue@v7.20.0...v9.22.0)

---
updated-dependencies:
- dependency-name: eslint-plugin-vue
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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