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

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
DavidAnson/markdownlint-cli2	repository	minor	v0.20.0 → v0.21.0

Note: The pre-commit manager in Renovate is not supported by the pre-commit maintainers or community. Please do not report any problems there, instead create a Discussion in the Renovate repository if you have any questions.

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Release Notes

DavidAnson/markdownlint-cli2 (DavidAnson/markdownlint-cli2)

v0.21.0

Compare Source

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• If you want to rebase/retry this PR, check this box

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 50.00%. Comparing base (37bb5aa) to head (d3373f2).
⚠️ Report is 1 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #254   +/-   ##
=======================================
  Coverage   50.00%   50.00%           
=======================================
  Files          11       11           
  Lines         238      238           
  Branches       27       27           
=======================================
  Hits          119      119           
  Misses        117      117           
  Partials        2        2           

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