chore(deps): Update nosborn/github-action-markdown-cli action to v3.4.0 (#306)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [nosborn/github-action-markdown-cli](https://togithub.com/nosborn/github-action-markdown-cli) | action | minor | `v3.3.0` -> `v3.4.0` |

---

### Release Notes

<details>
<summary>nosborn/github-action-markdown-cli (nosborn/github-action-markdown-cli)</summary>

### [`v3.4.0`](https://togithub.com/nosborn/github-action-markdown-cli/releases/tag/v3.4.0)

[Compare Source](https://togithub.com/nosborn/github-action-markdown-cli/compare/v3.3.0...v3.4.0)

-   Bump markdownlint-cli to 0.43.0

</details>

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### Configuration

📅 **Schedule**: Branch creation - "before 4am on the first day of the month" (UTC), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **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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 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

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This PR has been generated by [Renovate Bot](https://togithub.com/renovatebot/renovate).
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Author: cq-bot

.github/workflows/lint_markdown.yml

@@ -25,7 +25,7 @@ jobs:
       - name: Git checkout
         uses: actions/checkout@v4
       - name: markdownlint-cli
-        uses: nosborn/github-action-markdown-cli@v3.3.0
+        uses: nosborn/github-action-markdown-cli@v3.4.0
         with:
           files: .
           config_file: .markdownlint.yaml