Bump pyupgrade from 2.30.1 to 2.31.0 (#767)

Bumps [pyupgrade](https://github.com/asottile/pyupgrade) from 2.30.1 to 2.31.0.
- [Release notes](https://github.com/asottile/pyupgrade/releases)
- [Commits](asottile/pyupgrade@v2.30.1...v2.31.0)

---
updated-dependencies:
- dependency-name: pyupgrade
  dependency-type: direct:development
  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>