Bump attrs from 23.1.0 to 23.2.0 (EuroPython#86)

Bumps [attrs](https://github.com/sponsors/hynek) from 23.1.0 to 23.2.0.
- [Commits](https://github.com/sponsors/hynek/commits)

---
updated-dependencies:
- dependency-name: attrs
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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