chore(deps): update devdependency unbuild to v3

Author: renovate[bot]

package.json

@@ -52,7 +52,7 @@
     "prettier-plugin-jsdoc": "^1.3.0",
     "semantic-release": "^24.2.0",
     "typescript": "^5.6.3",
-    "unbuild": "^2.0.0",
+    "unbuild": "^3.5.0",
     "vitest": "^2.1.4"
   },
   "peerDependencies": {