add dotenv to starter-bot

Author: leovigna

packages/starter-telegram-bot/package.json

@@ -68,6 +68,7 @@
   "dependencies": {
     "@grammyjs/conversations": "^1.2.0",
     "@grammyjs/i18n": "^1.0.2",
+    "dotenv": "^16.4.5",
     "firebase-admin": "^12.1.0",
     "firebase-functions": "^5.0.0",
     "grammy": "^1.27.0",