build(deps): bump undici from 5.26.2 to 5.28.4 (#39)

Bumps [undici](https://github.com/nodejs/undici) from 5.26.2 to 5.28.4.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v5.26.2...v5.28.4)

---
updated-dependencies:
- dependency-name: undici
  dependency-type: direct:production
...

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package.json

@@ -34,7 +34,7 @@
     "rethinkdb-ts": "^3.0.0-next.10",
     "rxjs": "^7.5.6",
     "socket.io": "^4.6.1",
-    "undici": "^5.26.2"
+    "undici": "^5.28.4"
   },
   "devDependencies": {
     "@babel/core": "^7.19.0",