pre-commit: Update markdownlint-cli2

Author: uklotzde

.pre-commit-config.yaml

@@ -22,7 +22,7 @@ repos:
       - id: mixed-line-ending
       - id: trailing-whitespace
   - repo: https://github.com/DavidAnson/markdownlint-cli2
-    rev: v0.22.1
+    rev: v0.23.0
     hooks:
       - id: markdownlint-cli2
   - repo: https://github.com/codespell-project/codespell