Hi,

when i use zulip-js i got on any run this Issue:

DeprecationWarning: The punycode module is deprecated. Please use a userland alternative instead.

I tried to look at the sourcecode and found in package-lock.json:

"node_modules/punycode": {
"version": "2.3.1",
"resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
"integrity": "sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==",
"dev": true,
"license": "MIT",
"engines": {
"node": ">=6"
}
},

is this realy needed?