Change 'import express = require("express");' to correct TS syntax

[mivpt]

The kind of change this PR does introduce

• [x] a bug fix
• [ ] a new feature
• [ ] an update to the documentation
• [ ] a code change that improves performance
• [ ] other

Current behavior

import express = require("express")

New behavior

import express, { type Request } from "express";

Other information (e.g. related issues)

[darrachequesne]

I don't think this is right. Don't you need to set allowSyntheticDefaultImports to true in that case?

[darrachequesne]

Closed due to inactivity, please reopen if needed.