Bump tmp in /functional-samples/tutorial.terminate-sw/selenium (#1691)

Bumps [tmp](https://github.com/raszi/node-tmp) from 0.2.1 to 0.2.6.
- [Changelog](https://github.com/raszi/node-tmp/blob/master/CHANGELOG.md)
- [Commits](raszi/node-tmp@v0.2.1...v0.2.6)

---
updated-dependencies:
- dependency-name: tmp
  dependency-version: 0.2.6
  dependency-type: indirect
...

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