⬆️ bump qtconsole from 5.4.3 to 5.5.0

Bumps [qtconsole](https://github.com/jupyter/qtconsole) from 5.4.3 to 5.5.0.
- [Changelog](https://github.com/jupyter/qtconsole/blob/master/RELEASE.md)
- [Commits](jupyter/qtconsole@5.4.3...5.5.0)

---
updated-dependencies:
- dependency-name: qtconsole
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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