Update dependency @tryghost/kg-html-to-lexical to v1.4.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@tryghost/kg-html-to-lexical (source)	1.3.5 → 1.4.0

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Release Notes

TryGhost/Ghost (@​tryghost/kg-html-to-lexical)

v1.4.0

• ✨ Code Injection per Post feature
• 🎨 Improved theme validation messages
• 🎨 Don't include Ghost-Admin development assets in release build
• 🐛 Fixed custom post excerpt length
• 🐛 Fixed pagination w/ letters duplicating content

You can see the full change log for the details of every change included in this release.

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