fix: upgrade nanoid from 3.1.20 to 3.3.8

Snyk has created this PR to upgrade nanoid from 3.1.20 to 3.3.8.

See this package in npm:
nanoid

See this project in Snyk:
https://app.snyk.io/org/aditya-ds-1806/project/2a3f4b81-e135-41f3-9987-f83e02d5203f?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -14,7 +14,7 @@
     "express": "^4.17.1",
     "grapheme-splitter": "^1.0.4",
     "leven": "^3.1.0",
-    "nanoid": "^3.1.20",
+    "nanoid": "^3.3.8",
     "socket.io": "^3.1.0"
   },
   "devDependencies": {