chore(deps): update dependency vue-tsc to v2.0.21

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
vue-tsc (source)	2.0.20 -> 2.0.21

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Release Notes

vuejs/language-tools (vue-tsc)

### [`v2.0.21`](https://togithub.com/vuejs/language-tools/blob/HEAD/CHANGELOG.md#2021-2024-06-08) [Compare Source](https://togithub.com/vuejs/language-tools/compare/v2.0.20...v2.0.21) ##### But Fixes - fix(typescript-plugin): TS plugin cause type checking broken in .ts files ([#​4453](https://togithub.com/vuejs/language-tools/issues/4453))

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Configuration

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