Update lint tools
MODIFY
.pre-commit-config.yaml
.pre-commit-config.yaml
repos:
- repo: https://github.com/asottile/pyupgrade
- rev: v2.31.1
+ rev: v2.34.0
hooks:
- id: pyupgrade
args: ["--py37-plus"]

MODIFY
mypy-requirements.txt
mypy-requirements.txt
-mypy==0.960
+mypy==0.961
idna>=2.0.0
cryptography>=1.3.4
tornado>=6.1

Update lint tools (#2640)