chore(deps-dev): Bump @vue/test-utils from 1.3.6 to 2.4.6

Bumps [@vue/test-utils](https://github.com/vuejs/test-utils) from 1.3.6 to 2.4.6.
- [Release notes](https://github.com/vuejs/test-utils/releases)
- [Commits](https://github.com/vuejs/test-utils/commits/v2.4.6)

---
updated-dependencies:
- dependency-name: "@vue/test-utils"
  dependency-version: 2.4.6
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Author: dependabot[bot]