chore: upgrade default-gateway to 5.0.2 (#4150)

fixes #4144

(cherry picked from commit 570588f)

Author: zrh122

packages/@vue/cli-service/package.json

@@ -46,7 +46,7 @@
     "cssnano": "^4.1.10",
     "current-script-polyfill": "^1.0.0",
     "debug": "^4.1.1",
-    "default-gateway": "^4.2.0",
+    "default-gateway": "^5.0.2",
     "dotenv": "^7.0.0",
     "dotenv-expand": "^5.1.0",
     "escape-string-regexp": "^1.0.5",