deps(npm): bump typescript from 5.9.3 to 6.0.2 in /frontend/taskdeck-web

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.9.3 to 6.0.2.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v5.9.3...v6.0.2)

---
updated-dependencies:
- dependency-name: typescript
  dependency-version: 6.0.2
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

frontend/taskdeck-web/package-lock.json

@@ -57,7 +57,7 @@
     "happy-dom": "^20.8.9",
     "postcss": "^8.5.6",
     "tailwindcss": "^3.4.18",
-    "typescript": "~5.9.3",
+    "typescript": "~6.0.2",
     "vite": "^7.2.2",
     "vite-plugin-pwa": "^1.2.0",
     "vitest": "^2.1.8",