chore(deps): update devdependency prettier to v3

Author: renovate[bot]

package.json

@@ -50,7 +50,7 @@
     "changelogen": "^0.5.5",
     "eslint": "^8.57.0",
     "eslint-config-unjs": "^0.2.1",
-    "prettier": "^2.8.8",
+    "prettier": "^3.6.2",
     "typescript": "^5.3.3",
     "unbuild": "^1.2.1",
     "vitest": "^0.34.6"