Update actionshub/markdownlint action to v3.1.4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actionshub/markdownlint	action	patch	v3.1.3 -> v3.1.4

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Release Notes

actionshub/markdownlint (actionshub/markdownlint)

### [`v3.1.4`](https://togithub.com/actionshub/markdownlint/releases/tag/v3.1.4) [Compare Source](https://togithub.com/actionshub/markdownlint/compare/v3.1.3...v3.1.4) ##### [3.1.4](https://togithub.com/actionshub/markdownlint/compare/v3.1.3...v3.1.4) (2023-10-02)

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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 becomes conflicted, 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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[kitchen-porter]

Released as: 6.4.13