Auto-update pre-commit hooks (#4)

Co-authored-by: ml-evs <[email protected]>

Author: github-actions[bot]

.pre-commit-config.yaml

@@ -19,7 +19,7 @@ repos:
   hooks:
   - id: black
 - repo: https://github.com/asottile/blacken-docs
-  rev: v1.12.1
+  rev: 1.13.0
   hooks:
   - id: blacken-docs
     additional_dependencies: [black]