Upgrade: Bump typescript from 5.6.2 to 5.8.2 (#662)

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.6.2 to 5.8.2.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Changelog](https://github.com/microsoft/TypeScript/blob/main/azure-pipelines.release.yml)
- [Commits](https://github.com/microsoft/TypeScript/compare/v5.6.2...v5.8.2)

---
updated-dependencies:
- dependency-name: typescript
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -18,7 +18,7 @@
     "prettier": "^3.4.1",
     "sass": "^1.51.0",
     "sass-loader": "^14.2.0",
-    "typescript": "^5.6.2",
+    "typescript": "^5.8.2",
     "vue-property-decorator": "^9.1.2",
     "vuepress": "2.0.0-rc.2"
   },