chore(deps): update dependency typescript to ~5.9.0

Author: renovate[bot]

addon/package.json

@@ -92,7 +92,7 @@
     "rollup-plugin-copy": "^3.5.0",
     "stylelint": "^16.13.2",
     "stylelint-config-standard": "^37.0.0",
-    "typescript": "~5.8.0",
+    "typescript": "~5.9.0",
     "typescript-eslint": "^8.21.0"
   },
   "peerDependencies": {