[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/asottile/pyupgrade: v2.24.0 → v2.25.0](asottile/pyupgrade@v2.24.0...v2.25.0)
- [github.com/psf/black: 21.7b0 → 21.8b0](psf/black@21.7b0...21.8b0)
- [github.com/asottile/blacken-docs: v1.10.0 → v1.11.0](adamchainz/blacken-docs@v1.10.0...v1.11.0)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -44,16 +44,16 @@ repos:
   - id: python-no-eval
   - id: text-unicode-replacement-char
 - repo: https://github.com/asottile/pyupgrade
-  rev: v2.24.0
+  rev: v2.25.0
   hooks:
   - id: pyupgrade
 - repo: https://github.com/psf/black
-  rev: 21.7b0
+  rev: 21.8b0
   hooks:
   - id: black
     language_version: python3
 - repo: https://github.com/asottile/blacken-docs
-  rev: v1.10.0
+  rev: v1.11.0
   hooks:
   - id: blacken-docs
 - repo: https://github.com/pre-commit/mirrors-mypy