build(deps): bump superagent from 6.1.0 to 7.1.2

Bumps [superagent](https://github.com/visionmedia/superagent) from 6.1.0 to 7.1.2.
- [Release notes](https://github.com/visionmedia/superagent/releases)
- [Changelog](https://github.com/visionmedia/superagent/blob/master/HISTORY.md)
- [Commits](https://github.com/visionmedia/superagent/commits)

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

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

Author: dependabot[bot]

package.json

@@ -27,7 +27,7 @@
     "jsonwebtoken": "^8.5.1",
     "mongodb": "^4.2.1",
     "stripe": "^8.218.0",
-    "superagent": "^6.1.0",
+    "superagent": "^7.1.2",
     "twitter": "^1.7.1"
   }
 }