fix(deps): update dependency @tryghost/html-to-mobiledoc to v3.0.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@tryghost/html-to-mobiledoc (source)	3.0.3 -> 3.0.4

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Release Notes

TryGhost/SDK (@​tryghost/html-to-mobiledoc)

### [`v3.0.4`](https://togithub.com/TryGhost/SDK/compare/e328242c126f405a6cf43ccc44339847817c0119...362a563b0cde8b362214dfa2c7a632e75fdda5f9) [Compare Source](https://togithub.com/TryGhost/SDK/compare/e328242c126f405a6cf43ccc44339847817c0119...362a563b0cde8b362214dfa2c7a632e75fdda5f9)

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Configuration

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