Bump plugin.compose from 2.0.20-RC2 to 2.0.20 (#398)

Bumps [plugin.compose](https://github.com/JetBrains/kotlin) from 2.0.20-RC2 to 2.0.20.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v2.0.20/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.0.20-RC2...v2.0.20)

---
updated-dependencies:
- dependency-name: plugin.compose
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle.kts

@@ -3,7 +3,7 @@ import io.gitlab.arturbosch.detekt.*
 
 plugins {
     kotlin("multiplatform") version "2.0.20"
-    kotlin("plugin.compose") version "2.0.20-RC2"
+    kotlin("plugin.compose") version "2.0.20"
     id("org.jetbrains.compose") version "1.6.11"
     id("maven-publish")
     id("signing")