Autoupdate pre-commit hooks

updates:
- [github.com/asottile/pyupgrade: v3.7.0 → v3.9.0](asottile/pyupgrade@v3.7.0...v3.9.0)
- [github.com/asottile/setup-cfg-fmt: v2.3.0 → v2.4.0](asottile/setup-cfg-fmt@v2.3.0...v2.4.0)
- [github.com/PyCQA/docformatter: v1.7.3 → v1.7.4](PyCQA/docformatter@v1.7.3...v1.7.4)

.pre-commit-config.yaml

@@ -55,13 +55,13 @@ repos:
  - id: rst-inline-touching-normal # detect mistake of inline code touching normal text in rst
 
  - repo: https:/asottile/pyupgrade
- rev: v3.7.0
+ rev: v3.9.0
  hooks:
  - id: pyupgrade
  args: ['--py37-plus', '--keep-runtime-typing']
 
  - repo: https:/asottile/setup-cfg-fmt
- rev: v2.3.0
+ rev: v2.4.0
  hooks:
  - id: setup-cfg-fmt
  args: ['--include-version-classifiers']
@@ -72,7 +72,7 @@ repos:
  - id: doc8
 
  - repo: https:/PyCQA/docformatter
- rev: v1.7.3
+ rev: v1.7.4
  hooks:
  - id: docformatter