[pre-commit.ci] pre-commit autoupdate (#159)

updates:
- [github.com/pre-commit/mirrors-prettier: v4.0.0-alpha.3 → v4.0.0-alpha.4](pre-commit/mirrors-prettier@v4.0.0-alpha.3...v4.0.0-alpha.4)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.pre-commit-config.yaml

@@ -2,7 +2,7 @@
 repos:
   - repo: https://github.com/pre-commit/mirrors-prettier
     # keep it before yamllint
-    rev: v4.0.0-alpha.3
+    rev: v4.0.0-alpha.4
     hooks:
       - id: prettier
         always_run: true