[pre-commit.ci] pre-commit autoupdate (#9)

updates:
- [github.com/DavidAnson/markdownlint-cli2: v0.11.0 → v0.12.1](DavidAnson/markdownlint-cli2@v0.11.0...v0.12.1)

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

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -7,7 +7,7 @@ repos:
     hooks:
       - id: yamllint
   - repo: https://github.com/DavidAnson/markdownlint-cli2
-    rev: v0.11.0
+    rev: v0.12.1
     hooks:
       - id: markdownlint-cli2
   - repo: https://github.com/codespell-project/codespell