[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/psf/black: 21.5b2 → 21.6b0](psf/black@21.5b2...21.6b0)
- [github.com/PyCQA/isort: 5.8.0 → 5.9.2](PyCQA/isort@5.8.0...5.9.2)
- [github.com/pre-commit/mirrors-mypy: v0.812 → v0.910](pre-commit/mirrors-mypy@v0.812...v0.910)
- [github.com/asottile/pyupgrade: v2.19.1 → v2.21.0](asottile/pyupgrade@v2.19.1...v2.21.0)

.pre-commit-config.yaml

@@ -10,12 +10,12 @@ repos:
   - id: check-added-large-files
 
 - repo: https://github.com/psf/black
-  rev: "21.5b2"
+  rev: "21.6b0"
   hooks:
   - id: black
 
 - repo: https://github.com/PyCQA/isort
-  rev: "5.8.0"
+  rev: "5.9.2"
   hooks:
   - id: isort
 
@@ -25,14 +25,14 @@ repos:
   - id: flake8
 
 - repo: https://github.com/pre-commit/mirrors-mypy
-  rev: "v0.812"
+  rev: "v0.910"
   hooks:
   - id: mypy
     files: ^sphinx_github_changelog/
     additional_dependencies: ["types-requests", "types-docutils"]
 
 - repo: https://github.com/asottile/pyupgrade
-  rev: "v2.19.1"
+  rev: "v2.21.0"
   hooks:
   - id: pyupgrade