Update pre-commit hook DavidAnson/markdownlint-cli2 to v0.15.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
DavidAnson/markdownlint-cli2	repository	minor	v0.14.0 -> v0.15.0

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Release Notes

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

### [`v0.15.0`](https://redirect.github.com/DavidAnson/markdownlint-cli2/compare/v0.14.0...v0.15.0) [Compare Source](https://redirect.github.com/DavidAnson/markdownlint-cli2/compare/v0.14.0...v0.15.0)

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Configuration

📅 Schedule: Branch creation - "before 4am on Monday" in timezone America/Los_Angeles, 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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