[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/igorshubovych/markdownlint-cli: v0.41.0 → v0.42.0](igorshubovych/markdownlint-cli@v0.41.0...v0.42.0)

.pre-commit-config.yaml

@@ -23,6 +23,6 @@ repos:
         name: markdown-toc
         args: ["-i", "--maxdepth", "3"]
   - repo: https://github.com/igorshubovych/markdownlint-cli
-    rev: v0.41.0
+    rev: v0.42.0
     hooks:
       - id: markdownlint-fix