api/package: pin undici 5

Author: dumbmoron

api/package.json

@@ -37,7 +37,7 @@
         "mime": "^4.0.4",
         "nanoid": "^5.0.9",
         "set-cookie-parser": "2.6.0",
-        "undici": "^6.21.3",
+        "undici": "^5.28.4",
         "url-pattern": "1.0.3",
         "youtubei.js": "16.0.0",
         "zod": "^3.23.8"