[requires.io] dependency update

Author: requires

tox.ini

@@ -78,7 +78,7 @@ basepython = python3.8
 skip_install = True
 
 deps =
-    flake8-bugbear==20.1.3
+    flake8-bugbear==20.1.4
     #flake8-docstrings==1.5.0
     flake8==3.7.9
     mccabe==0.6.1