Bump serialization to v1.4.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.jetbrains.kotlinx:kotlinx-serialization-json	1.3.3 -> 1.4.0
org.jetbrains.kotlinx:kotlinx-serialization-core	1.3.3 -> 1.4.0

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Release Notes

Kotlin/kotlinx.serialization

v1.4.0

Compare Source

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This release contains all features and bugfixes from 1.4.0-RC plus some bugfixes on its own (see below).
Kotlin 1.7.10 is used as a default.

Bugfixes

• Fixed decoding of huge JSON data for okio streams (#​2006)

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