build(deps-dev): bump vue-tsc from 0.40.13 to 1.0.3 in /showcase/vue-…

…showcase (#326)

build(deps-dev): bump vue-tsc in /showcase/vue-showcase

Bumps [vue-tsc](https://github.com/johnsoncodehk/volar/tree/HEAD/vue-language-tools/vue-tsc) from 0.40.13 to 1.0.3.
- [Release notes](https://github.com/johnsoncodehk/volar/releases)
- [Changelog](https://github.com/johnsoncodehk/volar/blob/master/CHANGELOG.md)
- [Commits](https://github.com/johnsoncodehk/volar/commits/v1.0.3/vue-language-tools/vue-tsc)

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

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