Update kotlinSerializationPlugin and move it to libs.versions.toml

Author: seladb

app/build.gradle.kts

@@ -2,7 +2,7 @@ plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)
     alias(libs.plugins.kotlin.compose)
-    kotlin("plugin.serialization") version "2.1.0"
+    alias(libs.plugins.kotlin.serialization)
     id("kotlin-parcelize")
     alias(libs.plugins.ktlint.gradle)
 }

gradle/libs.versions.toml

@@ -19,6 +19,7 @@ junitJupiter = "5.8.1"
 coreKtxVersion = "1.6.1"
 junitKtx = "1.2.1"
 ktlintPlugin = "12.2.0"
+kotlinSerializationPlugin = "2.1.20"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -52,3 +53,4 @@ android-application = { id = "com.android.application", version.ref = "agp" }
 kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
 kotlin-compose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
 ktlint-gradle = { id = "org.jlleitschuh.gradle.ktlint", version.ref = "ktlintPlugin"}
+kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlinSerializationPlugin" }