[pre-commit.ci] pre-commit autoupdate

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -25,7 +25,7 @@ repos:
   - id: black
     args: [--safe]
 - repo: https://github.com/asottile/blacken-docs
-  rev: v1.9.2
+  rev: v1.10.0
   hooks:
   - id: blacken-docs
     additional_dependencies: [black==20.8b1]