Update offline-github-changelog to version 2.4.0

Author: depfu[bot]

package.json

@@ -35,7 +35,7 @@
     "express": "^4.16.3",
     "mocha": "^9.1.3",
     "nyc": "^15.0.0",
-    "offline-github-changelog": "^1.7.0",
+    "offline-github-changelog": "^2.4.0",
     "pem": "^1.14.8",
     "prettier": "~2.5.0",
     "request": "^2.53.0",