Bump exceptiongroup from 1.1.3 to 1.2.0

Bumps [exceptiongroup](https://github.com/agronholm/exceptiongroup) from 1.1.3 to 1.2.0.
- [Release notes](https://github.com/agronholm/exceptiongroup/releases)
- [Changelog](https://github.com/agronholm/exceptiongroup/blob/main/CHANGES.rst)
- [Commits](agronholm/exceptiongroup@1.1.3...1.2.0)

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

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