Update Kotlin JVM and Native to 2.1.20 (#478)

Author: ktlwap

bench/algorithm/regex-redux/1n.kt

@@ -37,6 +37,7 @@ fun main(args: Array<String>) {
     println("\n$ilen\n$clen\n${content.length}")
 }
 
+@OptIn(ExperimentalForeignApi::class)
 fun readAllText(filePath: String): String {
     val returnBuffer = StringBuilder()
     val file = fopen(filePath, "r")?: 

bench/include/kotlin-jvm/build.gradle.kts

@@ -3,7 +3,7 @@ import org.jetbrains.kotlin.cli.jvm.K2JVMCompiler
 import org.jetbrains.kotlin.config.KotlinCompilerVersion
 
 plugins {
-    val kotlinVersion = "2.0.21"
+    val kotlinVersion = "2.1.20"
     kotlin("jvm").version(kotlinVersion)
     kotlin("plugin.serialization").version(kotlinVersion)
     // kotlin("plugin.spring").version(kotlinVersion)
@@ -23,7 +23,7 @@ repositories {
 
 application {
     // Define the main class for the application.
-    mainClassName = "MainKt"
+    mainClass.set("MainKt")
 }
 
 dependencies {

bench/include/kotlin-jvm/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

bench/include/kotlin-jvm/settings.gradle.kts

@@ -1,3 +1 @@
 rootProject.name = "app"
-// https://docs.gradle.org/7.0/release-notes.html
-enableFeaturePreview("VERSION_CATALOGS")

bench/include/kotlin-native/build.gradle.kts

@@ -3,7 +3,7 @@ import org.jetbrains.kotlin.config.KotlinCompilerVersion
 import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeTarget
 
 plugins {
-  val kotlinVersion = "1.8.21"
+  val kotlinVersion = "2.1.20"
   kotlin("multiplatform").version(kotlinVersion)
   kotlin("plugin.serialization").version(kotlinVersion)
   id("com.github.ben-manes.versions").version("0.46.0")
@@ -24,8 +24,8 @@ kotlin {
         implementation(libs.bignum)
         implementation(libs.kbignum)
         // implementation("com.ionspin.kotlin:bignum:0.3.1")
-        implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4")
-        implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.5.0")
+        implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.10.2")
+        implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.8.1")
       }
     }
   }

bench/include/kotlin-native/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

bench/include/kotlin-native/settings.gradle.kts

@@ -1,2 +1 @@
-// https://docs.gradle.org/7.0/release-notes.html
-enableFeaturePreview("VERSION_CATALOGS")
+rootProject.name = "app"