Bump flake8-bugbear from 20.1.4 to 20.11.1

Bumps [flake8-bugbear](https://github.com/PyCQA/flake8-bugbear) from 20.1.4 to 20.11.1.
- [Release notes](https://github.com/PyCQA/flake8-bugbear/releases)
- [Commits](PyCQA/flake8-bugbear@20.1.4...20.11.1)

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

setup.py

@@ -10,7 +10,7 @@
     "docs": ["marshmallow-sqlalchemy>=0.13.0", "Sphinx==3.3.1", "sphinx-issues==1.2.0"],
     "lint": [
         "flake8==3.8.4",
-        "flake8-bugbear==20.1.4",
+        "flake8-bugbear==20.11.1",
         "pre-commit~=2.4",
     ],
 }