fix(postgres): native getter is triggered on cloning sequelize

[sushantdhiman]

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Description of change

Closes #3781

#3781 (comment)

I have verified its working with following code, this can't be tested in CI as we always have pg-native dependency installed

const Sequelize = require('sequelize');
const { cloneDeep } = require('lodash');

const sequelize = new Sequelize({
  dialect: 'postgres'
});

cloneDeep(sequelize);

[Ricardonacif]

Why was this issue closed? I can still reproduce it on the latest version of Sequelize. It's a weird issue because it messes with the process somehow. Just after the message Cannot find module 'pg-native' appear, I start to get socket hangup on other parts of the code not related to where I was calling sequelize stuff.