[pre-commit.ci] pre-commit autoupdate (#3003)

<!--pre-commit.ci start-->
updates:
- [github.com/igorshubovych/markdownlint-cli: v0.41.0 →
v0.42.0](igorshubovych/markdownlint-cli@v0.41.0...v0.42.0)
- [github.com/astral-sh/ruff-pre-commit: v0.6.7 →
v0.6.8](astral-sh/ruff-pre-commit@v0.6.7...v0.6.8)
<!--pre-commit.ci end-->

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

.pre-commit-config.yaml

@@ -31,7 +31,7 @@ repos:
           )$
 
   - repo: https://github.com/igorshubovych/markdownlint-cli
-    rev: v0.41.0
+    rev: v0.42.0
     hooks:
       - id: markdownlint-fix
         exclude: |
@@ -41,7 +41,7 @@ repos:
           )$
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.6.7
+    rev: v0.6.8
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]