update typescript to latest

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: cmdcolin

package.json

@@ -54,7 +54,7 @@
     "eslint-plugin-unicorn": "^62.0.0",
     "prettier": "^3.8.0",
     "rimraf": "^6.0.1",
-    "typescript": "^5.5.4",
+    "typescript": "^5.9.3",
     "typescript-eslint": "^8.53.0",
     "vitest": "^4.0.17"
   },