Bump vue-tsc from 2.0.19 to 2.0.21

Bumps [vue-tsc](https://github.com/vuejs/language-tools/tree/HEAD/packages/tsc) from 2.0.19 to 2.0.21.
- [Release notes](https://github.com/vuejs/language-tools/releases)
- [Changelog](https://github.com/vuejs/language-tools/blob/master/CHANGELOG.md)
- [Commits](https://github.com/vuejs/language-tools/commits/v2.0.21/packages/tsc)

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

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

package.json

@@ -23,6 +23,6 @@
     "prettier": "^3.3.0",
     "typescript": "^5.4.5",
     "vite": "^5.2.12",
-    "vue-tsc": "^2.0.19"
+    "vue-tsc": "^2.0.21"
   }
 }