Remove all instances of new Buffer()

[rwest202]

Using new Buffer() constructor is deprecated and errors out when used in a Vercel function generated from a next.js api endpoint.

I was able to resolve this problem by referencing my forked repo release in package.json.

"resolutions": {
    "http2": "https://github.com/rwest202/node-http2/releases/download/v1.0.0/http2-3.3.7.tgz"
  }