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

[renovate]

This PR contains the following updates:

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

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Release Notes

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

v4

Compare Source

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Configuration

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

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

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

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[reviewflow]

Progress

☑️ Step 1: ✏️ Write code
☑️ Step 2: 💚 Checks
⬜ Step 3: 👌 Code Review
🟡 Step 4: 🚦 Merge Pull Request

Options:

• 🚦 automerge: Automatically merge when this PR is ready and has no failed statuses. When the repository requires branches to be up to date before merging, it merges default branch, with a queue per repo to prevent multiple merges when several PRs are ready. A fail job prevents the merge.
• 🚦 skip-ci: Add [skip ci] on merge commit when merge is done with autoMerge.

Actions:

• 🐛 Force updating reviewflow checks for this PR. Use this to try to fix reviewflow checks that are still missing/pending, which might happen if webhook failed or something bad happened when reviewflow tried to send the status check to github.
• 🔄 update branch: Merge base branch in this PR's branch. Only works if merging is possible without conflicts.