Bump express from 3.0.0-beta7 to 3.11.0

Bumps [express](https://github.com/expressjs/express) from 3.0.0-beta7 to 3.11.0.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](https://github.com/expressjs/express/commits/3.11.0)

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Author: dependabot[bot]