chore(deps): update pre-commit hook davidanson/markdownlint-cli2 (v0.20.0 → v0.21.0)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.pre-commit-config.yaml

@@ -14,7 +14,7 @@ repos:
         types: [markdown, python, yaml]
         files: ^(docs/.*|README\.md|CONTRIBUTING\.md|CHANGELOG\.md|.*\.py|.*\.ya?ml)$
   - repo: https://github.com/astral-sh/uv-pre-commit
-    rev: 0.10.3
+    rev: 0.10.0
     hooks:
       - id: uv-lock
       - id: uv-sync
@@ -44,7 +44,7 @@ repos:
         args: [--autofix, --no-sort-keys]
 
   - repo: https://github.com/DavidAnson/markdownlint-cli2
-    rev: v0.20.0
+    rev: v0.21.0
     hooks:
       - id: markdownlint-cli2
         args: [--fix]