Update dependency @gauntface/web-push-book-theme to v1.0.28

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
@gauntface/web-push-book-theme	devDependencies	patch	1.0.27 -> 1.0.28

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Release Notes

gauntface/web-push-book-theme

### [`v1.0.28`](https://togithub.com/gauntface/web-push-book-theme/compare/v1.0.27...v1.0.28) [Compare Source](https://togithub.com/gauntface/web-push-book-theme/compare/v1.0.27...v1.0.28)

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