chore(deps): update peaceiris/actions-gh-pages action to v4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
peaceiris/actions-gh-pages	action	major	v3.9.3 -> v4.0.0

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Release Notes

peaceiris/actions-gh-pages (peaceiris/actions-gh-pages)

### [`v4.0.0`](https://togithub.com/peaceiris/actions-gh-pages/compare/v3.9.3...v4.0.0) [Compare Source](https://togithub.com/peaceiris/actions-gh-pages/compare/v3.9.3...v4.0.0)

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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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This PR has been generated by Mend Renovate. View repository job log here.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 97.15%. Comparing base (6c1a624) to head (8d28f1f).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #782 +/- ## ======================================= Coverage 97.15% 97.15% ======================================= Files 12 12 Lines 281 281 ======================================= Hits 273 273 Misses 8 8 ```

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