Update kotlin monorepo to v2.0.20

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.jetbrains.kotlin.jvm (source)	2.0.10 -> 2.0.20
org.jetbrains.kotlin:kotlin-test-junit (source)	2.0.10 -> 2.0.20
org.jetbrains.kotlin:kotlin-reflect (source)	2.0.10 -> 2.0.20
org.jetbrains.kotlin:kotlin-scripting-compiler (source)	2.0.10 -> 2.0.20
org.jetbrains.kotlin:kotlin-annotation-processing-compiler (source)	2.0.10 -> 2.0.20
org.jetbrains.kotlin:kotlin-annotation-processing-embeddable (source)	2.0.10 -> 2.0.20
org.jetbrains.kotlin:kotlin-compiler-embeddable (source)	2.0.10 -> 2.0.20

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Release Notes

JetBrains/kotlin (org.jetbrains.kotlin.jvm)

v2.0.20

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