Bump @vue/cli from 4.5.11 to 4.5.12 (#4854)

Bumps [@vue/cli](https://github.com/vuejs/vue-cli/tree/HEAD/packages/@vue/cli) from 4.5.11 to 4.5.12.
- [Release notes](https://github.com/vuejs/vue-cli/releases)
- [Changelog](https://github.com/vuejs/vue-cli/blob/dev/CHANGELOG.md)
- [Commits](https://github.com/vuejs/vue-cli/commits/v4.5.12/packages/@vue/cli)

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