Bump typescript from 5.8.3 to 5.9.3 in /frontend

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.8.3 to 5.9.3.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Changelog](https://github.com/microsoft/TypeScript/blob/main/azure-pipelines.release-publish.yml)
- [Commits](https://github.com/microsoft/TypeScript/compare/v5.8.3...v5.9.3)

---
updated-dependencies:
- dependency-name: typescript
  dependency-version: 5.9.3
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

frontend/obsidian-plugin/package.json

@@ -31,7 +31,7 @@
         "ts-loader": "^9.5.2",
         "tslib": "2.8.1",
         "tsx": "^4.20.5",
-        "typescript": "5.8.3",
+        "typescript": "5.9.3",
         "url": "^0.11.4",
         "virtual-scroller": "^1.13.1",
         "webpack": "^5.99.9",