[dependabot] Bump flake8-bugbear from 24.2.6 to 24.4.21

Bumps [flake8-bugbear](https://github.com/PyCQA/flake8-bugbear) from 24.2.6 to 24.4.21.
- [Release notes](https://github.com/PyCQA/flake8-bugbear/releases)
- [Commits](PyCQA/flake8-bugbear@24.2.6...24.4.21)

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

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

requirements.txt

@@ -13,7 +13,7 @@ black==24.4.0
 flake8==7.0.0
 flake8-bandit==4.1.1
 flake8-black==0.3.6
-flake8-bugbear==24.2.6
+flake8-bugbear==24.4.21
 flake8-functions==0.0.8
 isort==5.13.2
 mypy==1.9.0