Bump traitlets from 5.2.1.post0 to 5.2.2.post1 in /requirements (#19316)
Bump traitlets from 5.2.1.post0 to 5.2.2.post1 in /requirements (#19316)

Bumps [traitlets](https://github.com/ipython/traitlets) from 5.2.1.post0 to 5.2.2.post1.
- [Release notes](https://github.com/ipython/traitlets/releases)
- [Commits](https://github.com/ipython/traitlets/commits)

---
updated-dependencies:
- dependency-name: traitlets
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
diox/olympia,mozilla/addons-server,wagnerand/addons-server,diox/olympia,mozilla/addons-server,diox/olympia,wagnerand/addons-server,mozilla/addons-server,wagnerand/addons-server,wagnerand/addons-server,mozilla/addons-server,diox/olympia