chore(deps): update devdependency typescript to v6

Author: renovate[bot]

packages/example/package.json

@@ -22,7 +22,7 @@
     "@types/feedparser": "^2.2.8",
     "publint": "^0.3.18",
     "tsdown": "^0.21.4",
-    "typescript": "^5.9.3"
+    "typescript": "^6.0.2"
   },
   "repository": {
     "type": "git",