message: fix: missing express types for Request, Response
diff: import { createDebug } from '@feathersjs/commons';
  import { merge, flatten } from 'lodash';
  -import { NextFunction, RequestHandler } from 'express';
  +import { NextFunction, RequestHandler, Request, Response } from 'express';
  const debug = createDebug('@feathersjs/express/authentication');
  