Bump @vue/test-utils from 1.1.2 to 1.1.3

Bumps [@vue/test-utils](https://github.com/vuejs/vue-test-utils/tree/HEAD/packages/test-utils) from 1.1.2 to 1.1.3.
- [Release notes](https://github.com/vuejs/vue-test-utils/releases)
- [Changelog](https://github.com/vuejs/vue-test-utils/blob/dev/packages/test-utils/CHANGELOG.md)
- [Commits](https://github.com/vuejs/vue-test-utils/commits/v1.1.3/packages/test-utils

)

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