Merge pull request #154 from jupyterhub/pre-commit-ci-update-config

[pre-commit.ci] pre-commit autoupdate

Author: consideRatio

.pre-commit-config.yaml

@@ -18,7 +18,7 @@ repos:
 
   # Autoformat: markdown, yaml
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v2.5.1
+    rev: v2.6.0
     hooks:
       - id: prettier