Bump tree-kill from 1.2.1 to 1.2.2 in /Lesson06/Exercise36/result

Bumps [tree-kill](https://github.com/pkrumins/node-tree-kill) from 1.2.1 to 1.2.2.
- [Release notes](https://github.com/pkrumins/node-tree-kill/releases)
- [Commits](pkrumins/node-tree-kill@v1.2.1...v1.2.2)

---
updated-dependencies:
- dependency-name: tree-kill
  dependency-type: indirect
...

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