Bump tmp from 0.2.3 to 0.2.5 in /demos/hide_your_mess_behind_demo (#341)

Bumps [tmp](https://github.com/raszi/node-tmp) from 0.2.3 to 0.2.5.
- [Changelog](https://github.com/raszi/node-tmp/blob/master/CHANGELOG.md)
- [Commits](raszi/node-tmp@v0.2.3...v0.2.5)

---
updated-dependencies:
- dependency-name: tmp
  dependency-version: 0.2.5
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]