Bump flake8-comprehensions from 3.14.0 to 3.15.0 (#540)

Bumps [flake8-comprehensions](https://github.com/adamchainz/flake8-comprehensions) from 3.14.0 to 3.15.0.
- [Changelog](https://github.com/adamchainz/flake8-comprehensions/blob/main/CHANGELOG.rst)
- [Commits](adamchainz/flake8-comprehensions@3.14.0...3.15.0)

---
updated-dependencies:
- dependency-name: flake8-comprehensions
  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>