Bump default-gateway from 6.0.3 to 7.2.2

Bumps [default-gateway](https://github.com/silverwind/default-gateway) from 6.0.3 to 7.2.2.
- [Release notes](https://github.com/silverwind/default-gateway/releases)
- [Commits](silverwind/default-gateway@6.0.3...7.2.2)

---
updated-dependencies:
- dependency-name: default-gateway
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -17,7 +17,7 @@
   "dependencies": {
     "cross-fetch-ponyfill": "^1.0.3",
     "debug": "^4.3.4",
-    "default-gateway": "^6.0.3",
+    "default-gateway": "^7.2.2",
     "unordered-array-remove": "^1.0.2",
     "xml2js": "^0.6.0"
   },