chore(deps): bump express from 4.17.1 to 4.18.2 in /examples/basic

Bumps [express](https://github.com/expressjs/express) from 4.17.1 to 4.18.2.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](expressjs/express@4.17.1...4.18.2)

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updated-dependencies:
- dependency-name: express
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]