chore(undici): remove unused dev dep on superagent (#2239)

Co-authored-by: Jamie Danielson <[email protected]>

Author: blumamir

package-lock.json

@@ -51,7 +51,6 @@
     "nyc": "15.1.0",
     "rimraf": "5.0.5",
     "semver": "^7.6.0",
-    "superagent": "8.0.9",
     "test-all-versions": "6.1.0",
     "ts-mocha": "10.0.0",
     "typescript": "4.4.4",