fastify-passport: fastifyPassport.initialize is not a function

🐛 Bug Report

A clear and concise description of what the bug is.

To Reproduce

Steps to reproduce the behavior:

// Paste your code here
const fastify = require('fastify')();
const fastifyPassport= require('fastify-passport')
const fastifySecureSession= require('fastify-secure-session')
// set up secure sessions for fastify-passport to store data in
fastify.register(fastifySecureSession, { key: fs.readFileSync(path.join(__dirname, "secret-key")) });
// initialize fastify-passport and connect it to the secure-session storage. Note: both of these plugins are mandatory.
fastify.register(fastifyPassport.initialize());
fastify.register(fastifyPassport.secureSession());
console.log(fastifyPassport);

Error FastifyPassport.initialize is not a function

Expected behavior

A clear and concise description of what you expected to happen.

fastifyPassport.initialize should initialize passport
also on same note when someone console `fastifyPassport`
below appears
{
  Strategy: [Getter],
  default: Authenticator {
    key: 'passport',
    userProperty: 'user',
    strategies: { session: [SessionStrategy] },
    serializers: [],
    deserializers: [],
    infoTransformers: [],
    sessionManager: SecureSessionManager {
      key: 'passport',
      serializeUser: [Function: bound serializeUser] AsyncFunction
    }
  }
}

Your Environment

• node version: v14.15.1
• fastify version: >=^3.9.1
• os: windows-wsl-ubuntu