Fix vercel to launch v2.3.0

now.json

@@ -4,7 +4,7 @@
   "builds": [
     {
       "src": "./src/index.js",
-      "use": "@now/node-server"
+      "use": "@now/node"
     }
   ],
   "routes": [

package.json

@@ -30,7 +30,7 @@
     }
   ],
   "engines": {
-    "node": ">= 12.17.x",
+    "node": ">= 12.x",
     "npm": ">= 6.14.x"
   },
   "bugs": {
@@ -48,9 +48,8 @@
     "cors": "^2.8.5",
     "express": "^4.16.4",
     "got": "^11.3.0",
-    "helmet": "^3.22.0",
+    "helmet": "^3.23.3",
     "hooman": "^1.2.5",
-    "request": "^2.88.0",
     "rss-to-json": "^1.1.1",
     "tough-cookie": "^4.0.0"
   }