chore: add missing gh-pages dependency

Author: afc163

package.json

@@ -68,6 +68,7 @@
     "dumi": "^2.4.35",
     "eslint": "^8.57.1",
     "father": "^4.6.23",
+    "gh-pages": "^6.3.0",
     "glob": "^13.0.6",
     "husky": "^9.1.7",
     "jest-environment-jsdom": "^29.7.0",