Bump flake8-bugbear from 21.4.3 to 21.11.29 (#1170)

Author: dependabot[bot]

requirements/requirements_dev.txt

@@ -5,7 +5,7 @@ black==21.12b0
 dlint==0.12.0
 flake8==4.0.1
 flake8-bandit==2.1.2
-flake8-bugbear==21.4.3
+flake8-bugbear==21.11.29
 hypothesis==6.8.9
 invoke==1.5.0
 placebo==0.9.0