build: add missing dep

Author: meteorlxy

package.json

@@ -34,6 +34,7 @@
     "lint-staged": "^15.2.9",
     "prettier": "^3.3.3",
     "prettier-config-vuepress": "workspace:*",
+    "rimraf": "^6.0.1",
     "sort-package-json": "^2.10.0",
     "tsconfig-vuepress": "workspace:*",
     "typescript": "^5.5.4",