[pre-commit.ci] pre-commit autoupdate (#125)

updates:
- [github.com/pre-commit/mirrors-mypy: v0.910 → v0.910-1](pre-commit/mirrors-mypy@v0.910...v0.910-1)
- [github.com/PyCQA/flake8: 3.9.2 → 4.0.1](PyCQA/flake8@3.9.2...4.0.1)
- [github.com/asottile/pyupgrade: v2.28.0 → v2.29.0](asottile/pyupgrade@v2.28.0...v2.29.0)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.pre-commit-config.yaml

@@ -5,11 +5,11 @@ repos:
   - id: black
     language_version: python3
 - repo: https://github.com/pre-commit/mirrors-mypy
-  rev: v0.910
+  rev: v0.910-1
   hooks:
   - id: mypy
 - repo: https://github.com/PyCQA/flake8
-  rev: 3.9.2
+  rev: 4.0.1
   hooks:
   - id: flake8
 - repo: https://github.com/pre-commit/pre-commit-hooks