[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/pre-commit/mirrors-prettier: v2.3.2 → v2.4.0](pre-commit/mirrors-prettier@v2.3.2...v2.4.0)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -12,7 +12,7 @@ repos:
         exclude: CHANGELOG.md
 
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v2.3.2
+    rev: v2.4.0
     hooks:
       - id: prettier
         files: '.*\.mdx?$'