build(deps-dev): bump flake8-comprehensions in /requirements

Bumps [flake8-comprehensions](https://github.com/adamchainz/flake8-comprehensions) from 3.7.0 to 3.8.0.
- [Release notes](https://github.com/adamchainz/flake8-comprehensions/releases)
- [Changelog](https://github.com/adamchainz/flake8-comprehensions/blob/main/HISTORY.rst)
- [Commits](adamchainz/flake8-comprehensions@3.7.0...3.8.0)

---
updated-dependencies:
- dependency-name: flake8-comprehensions
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements/requirements-ci.txt

@@ -242,7 +242,7 @@ flake8==4.0.1
     #   flake8-tuple
 flake8-bugbear==21.9.2
     # via -r requirements-dev.txt
-flake8-comprehensions==3.7.0
+flake8-comprehensions==3.8.0
     # via -r requirements-dev.txt
 flake8-tuple==0.4.1
     # via -r requirements-dev.txt

requirements/requirements-dev.txt

@@ -212,7 +212,7 @@ flake8==4.0.1
     #   flake8-tuple
 flake8-bugbear==21.9.2
     # via -r requirements-dev.in
-flake8-comprehensions==3.7.0
+flake8-comprehensions==3.8.0
     # via -r requirements-dev.in
 flake8-tuple==0.4.1
     # via -r requirements-dev.in