fix: upgrade undici from 5.19.1 to 5.20.0 (#122)

Snyk has created this PR to upgrade undici from 5.19.1 to 5.20.0.

See this package in npm:
https://www.npmjs.com/package/undici

See this project in Snyk:
https://app.snyk.io/org/itzderock/project/6affdfc0-3708-4668-a34c-475e95e912e9?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -55,7 +55,7 @@
     "react-dom": "^18.2.0",
     "simple-markdown": "^0.7.3",
     "twemoji": "^14.0.2",
-    "undici": "^5.19.1"
+    "undici": "^5.20.0"
   },
   "peerDependencies": {
     "discord.js": "^14.0.0"