chore(deps): update dependency typescript to ~5.9.0 (#136)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

excalidraw-app/package-lock.json

@@ -44,7 +44,7 @@
     "globals": "^16.4.0",
     "jsdom": "^27.0.0",
     "socket.io-mock": "^1.3.2",
-    "typescript": "~5.8.3",
+    "typescript": "~5.9.0",
     "typescript-eslint": "^8.46.1",
     "vite": "^7.0.4",
     "vitest": "^3.2.4"