Update kotlin native to 2.0.21

Author: GabrielLasso

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

@@ -3,10 +3,10 @@ import org.jetbrains.kotlin.config.KotlinCompilerVersion
 import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeTarget
 
 plugins {
-  val kotlinVersion = "1.8.21"
+  val kotlinVersion = "2.0.21"
   kotlin("multiplatform").version(kotlinVersion)
   kotlin("plugin.serialization").version(kotlinVersion)
-  id("com.github.ben-manes.versions").version("0.46.0")
+  id("com.github.ben-manes.versions").version("0.51.0")
 }
 
 repositories {
@@ -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:1.9.0")
+        implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.7.3")
       }
     }
   }