fix(deps): update kotlin monorepo to v2.2.20

Author: renovate[bot]

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-kotlin = "2.2.10"
+kotlin = "2.2.20"
 kotlinx-coroutines = "1.10.2"
 open-feature-kotlin-sdk = "0.6.2"
 android = "8.10.1"
@@ -21,7 +21,7 @@ kotlinx-coroutines-test = { group="org.jetbrains.kotlinx", name="kotlinx-corouti
 dokka = { id="org.jetbrains.dokka", version="2.0.0" }
 kotlin-multiplatform = { id="org.jetbrains.kotlin.multiplatform", version.ref="kotlin" }
 kotlinx-atomicfu = { id="org.jetbrains.kotlinx.atomicfu", version="0.29.0" }
-kotlinx-serialization = { id="org.jetbrains.kotlin.plugin.serialization", version="2.1.21" }
+kotlinx-serialization = { id="org.jetbrains.kotlin.plugin.serialization", version="2.2.20" }
 ktlint = { id="org.jlleitschuh.gradle.ktlint", version="13.1.0" }
 nexus-publish = { id="io.github.gradle-nexus.publish-plugin", version="2.0.0" }
 binary-compatibility-validator = { id="org.jetbrains.kotlinx.binary-compatibility-validator", version="0.18.1" }