[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/pre-commit/mirrors-prettier: v3.1.0 → v4.0.0-alpha.8](pre-commit/mirrors-prettier@v3.1.0...v4.0.0-alpha.8)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -24,7 +24,7 @@ repos:
       - id: blacken-docs
 
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v3.1.0
+    rev: v4.0.0-alpha.8
     hooks:
       - id: prettier
         files: \.(css|md|yml|yaml)