[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/asottile/blacken-docs: 1.13.0 → 1.14.0](adamchainz/blacken-docs@1.13.0...1.14.0)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -17,7 +17,7 @@ repos:
       hooks:
           - id: prettier
     - repo: https://github.com/asottile/blacken-docs
-      rev: 1.13.0
+      rev: 1.14.0
       hooks:
           - id: blacken-docs
     - repo: https://github.com/pre-commit/mirrors-mypy