[pre-commit.ci] pre-commit autoupdate (#6)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -15,6 +15,6 @@ repos:
       - id: mixed-line-ending
 
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v2.7.1
+    rev: v3.0.0-alpha.0
     hooks:
       - id: prettier