chore(deps): update dependency typescript to ~5.9.0

Author: renovate[bot]

package.json

@@ -42,7 +42,7 @@
     "prettier": "^3.4.1",
     "prettier-plugin-svelte": "^3.3.2",
     "rimraf": "^6.0.1",
-    "typescript": "~5.8.0",
+    "typescript": "~5.9.0",
     "typescript-eslint": "^8.16.0"
   },
   "publishConfig": {