Bump flake8-bugbear from 21.4.3 to 21.9.2

Bumps [flake8-bugbear](https://github.com/PyCQA/flake8-bugbear) from 21.4.3 to 21.9.2.
- [Release notes](https://github.com/PyCQA/flake8-bugbear/releases)
- [Commits](PyCQA/flake8-bugbear@21.4.3...21.9.2)

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

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

Author: dependabot[bot]

poetry.lock

@@ -35,7 +35,7 @@ django = ">=2.0"
 black = "^21.9b0"
 flake8 = "^3.8.4"
 flake8-bandit = "^2.1.2"
-flake8-bugbear = "^21.4.3"
+flake8-bugbear = "^21.9.2"
 safety = "^1.10.3"
 pytest = "^6.2.5"
 mypy = "^0.910"