Merge pull request #4 from python-jsonschema/pre-commit-ci-update-config

[pre-commit.ci] pre-commit autoupdate

Author: Julian

.pre-commit-config.yaml

@@ -37,6 +37,6 @@ repos:
         id: black
         args: ["--line-length", "79"]
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: "v3.0.0-alpha.6"
+    rev: "v3.0.0-alpha.9-for-vscode"
     hooks:
       - id: prettier