Update peaceiris/actions-gh-pages action to v3.9.2

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
peaceiris/actions-gh-pages	action	minor	v3.7.3 -> v3.9.2

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Release Notes

peaceiris/actions-gh-pages

### [`v3.9.2`](https://togithub.com/peaceiris/actions-gh-pages/releases/tag/v3.9.2): actions-github-pages v3.9.2 [Compare Source](https://togithub.com/peaceiris/actions-gh-pages/compare/v3.9.1...v3.9.2) See [CHANGELOG.md](https://togithub.com/peaceiris/actions-gh-pages/blob/v3.9.2/CHANGELOG.md) for more details. ### [`v3.9.1`](https://togithub.com/peaceiris/actions-gh-pages/releases/tag/v3.9.1): actions-github-pages v3.9.1 [Compare Source](https://togithub.com/peaceiris/actions-gh-pages/compare/v3.9.0...v3.9.1) - update deps See [CHANGELOG.md](https://togithub.com/peaceiris/actions-gh-pages/blob/v3.9.1/CHANGELOG.md) for more details. ### [`v3.9.0`](https://togithub.com/peaceiris/actions-gh-pages/releases/tag/v3.9.0): actions-github-pages v3.9.0 [Compare Source](https://togithub.com/peaceiris/actions-gh-pages/compare/v3.8.0...v3.9.0) - deps: bump node12 to node16 - deps: bump [@​actions/core](https://togithub.com/actions/core) from 1.6.0 to 1.10.0 See [CHANGELOG.md](https://togithub.com/peaceiris/actions-gh-pages/blob/v3.9.0/CHANGELOG.md) for more details. ### [`v3.8.0`](https://togithub.com/peaceiris/actions-gh-pages/releases/tag/v3.8.0): actions-github-pages v3.8.0 [Compare Source](https://togithub.com/peaceiris/actions-gh-pages/compare/v3.7.3...v3.8.0) See [CHANGELOG.md](https://togithub.com/peaceiris/actions-gh-pages/blob/v3.8.0/CHANGELOG.md) for more details.

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Configuration

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