chore(deps-dev): bump vue-tsc from 1.8.3 to 1.8.4 in /example

Bumps [vue-tsc](https://github.com/vuejs/language-tools/tree/HEAD/packages/vue-tsc) from 1.8.3 to 1.8.4.
- [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/v1.8.4/packages/vue-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>

example/package.json

@@ -19,7 +19,7 @@
     "typescript": "^5.1.6",
     "vite": "^4.3.9",
     "vite-plugin-windicss": "^1.9.0",
-    "vue-tsc": "^1.8.3",
+    "vue-tsc": "^1.8.4",
     "windicss": "^3.5.6"
   }
 }