fix: change prod deployment branch to vercel branch to fix maxDuration bug (#2424)

* Create deploy-prep.yml

* Create deploy-prep.py

* Update vercel.json

* Update deploy-prep.yml

* Update vercel.json

* Added coauthor

Co-authored-by: Dou Xiaobo <93511091+douxiaobo@users.noreply.github.com>

* Update deploy-prep.yml

* refactor: format code

* Added if condition to disable deployments on forks

Co-authored-by: Rick Staa <rick.staa@outlook.com>

* Update deploy-prep.yml

Co-authored-by: Dou Xiaobo <93511091+douxiaobo@users.noreply.github.com>
Co-authored-by: Anurag Hazra <hazru.anurag@gmail.com>
Co-authored-by: rickstaa <rick.staa@outlook.com>

vercel.json

@@ -2,7 +2,7 @@
   "functions": {
     "api/*.js": {
       "memory": 128,
-      "maxDuration": 30
+      "maxDuration": 10
     }
   },
   "redirects": [