Update dependency net.peanuuutz.tomlkt:tomlkt to v0.4.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
net.peanuuutz.tomlkt:tomlkt	0.3.7 -> 0.4.0

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Release Notes

Peanuuutz/tomlkt (net.peanuuutz.tomlkt:tomlkt)

### [`v0.4.0`](https://togithub.com/Peanuuutz/tomlkt/releases/tag/v0.4.0): tomlkt 0.4.0 #### Change - **Remove all the deprecated declarations.** - Upgrade to Kotlin 2.0.0, also upgrade kotlinx.serialization to 1.7.0, kotlinx.datetime to 0.6.0. ([#​66](https://togithub.com/Peanuuutz/tomlkt/issues/66), [#​67](https://togithub.com/Peanuuutz/tomlkt/issues/67))

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