Merge pull request #123 from firebase/dependabot/npm_and_yarn/functions/moment-2.29.4

Bump moment from 2.29.2 to 2.29.4 in /functions

Author: morganchen12

functions/package-lock.json

@@ -19,7 +19,7 @@
     "firebase-functions": "^3.20.1",
     "mailgun-js": "^0.22.0",
     "marked": "^0.7.0",
-    "moment": "^2.29.2",
+    "moment": "^2.29.4",
     "mustache": "^2.3.0",
     "node-fetch": "^3.1.1"
   },