Bump typescript from 5.6.3 to 5.9.3

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.6.3 to 5.9.3.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v5.6.3...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>

Author: dependabot[bot]

apps/docsite/package.json

@@ -28,7 +28,7 @@
     "@docusaurus/module-type-aliases": "3.9.2",
     "@docusaurus/tsconfig": "3.9.2",
     "@docusaurus/types": "3.9.2",
-    "typescript": "~5.6.3"
+    "typescript": "~5.9.3"
   },
   "browserslist": {
     "production": [