[hermes-parser] Support Import Attributes

[ojj1123]

Bug Description

Hermes git revision (if applicable): React Native version: OS: Platform (most likely one of arm64-v8a, armeabi-v7a, x86, x86_64):

Steps To Reproduce

1. Parse JavaScript code uses Import Attributes with hermes-parser
2. Check the result AST.

code example:

const { parse } = require('hermes-parser');

const ast = parse('import json from "./foo.json" with { type: "json" };');

The Expected Behavior

It outputs the correct AST

The Current Behavior

SyntaxError: ';' expected (1:30)
import json from "./foo.json" with { type: "json" };

Reference

• https://github.com/estree/estree/blob/master/stage3/import-attributes.md
• https://github.com/tc39/proposal-import-attributes
• https://github.com/facebook/hermes/issues/607

[avp]

This feature is at stage 3 and appears to have changed recently, so we still have the old assert keyword. We can update it to have the new with instead.