[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/markdownlint/markdownlint: v0.13.0 → v0.12.0](markdownlint/markdownlint@v0.13.0...v0.12.0)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -76,7 +76,7 @@ repos:
       - id: biome-check
 
   - repo: https://github.com/markdownlint/markdownlint
-    rev: v0.13.0
+    rev: v0.12.0
     hooks:
       - id: markdownlint