[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/pre-commit/mirrors-prettier: v2.7.1 → v3.0.0-alpha.1](pre-commit/mirrors-prettier@v2.7.1...v3.0.0-alpha.1)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -18,6 +18,6 @@ repos:
     hooks:
       - id: isort
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: "v2.7.1"
+    rev: "v3.0.0-alpha.1"
     hooks:
       - id: prettier