refactor(nuxt)!: fix typo for NuxtRenderHTMLContext.bodyPrepend

[MorevM]

🔗 Linked issue

I guess there is no need for issue since it's obvious.

❓ Type of change

• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

Just worked on it and was surprised :)
Small mistake, but actually it is a breaking change since existed modules that uses render:html hook may use the key with a typo. Good thing it's still in RC stage :)

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

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[TheAlexLichter]

Good catch!
Maybe we could use a compat layer + warning for now though, so people have time to upgrade until the version after (or until stable)?

[MorevM]

@manniL I don't think a compat layer makes sense, every next RC might include breaking changes, and users of edge channel are ready for that as well :)

[pi0]

Thanks!