Upgrade Kotlin version to 1.8.21

Author: Abduqodiri Qurbonzoda

benchmarks/build.gradle.kts

@@ -24,7 +24,7 @@ kotlin {
         }
     }
 
-    js {
+    js(IR) {
         nodejs {
 
         }
@@ -38,7 +38,7 @@ kotlin {
     sourceSets {
         commonMain {
             dependencies {
-                api("org.jetbrains.kotlin:kotlin-stdlib-common")
+                api("org.jetbrains.kotlin:kotlin-stdlib")
                 api("org.jetbrains.kotlinx:kotlinx-benchmark-runtime:0.4.1")
                 api(project(":kotlinx-collections-immutable"))
             }

build.gradle.kts

@@ -1,6 +1,6 @@
 buildscript {
     dependencies {
-        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.6.0")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.8.21")
     }
 }
 

core/build.gradle.kts

@@ -73,40 +73,28 @@ kotlin {
     sourceSets {
         commonMain {
             dependencies {
-                api("org.jetbrains.kotlin:kotlin-stdlib-common")
+                api("org.jetbrains.kotlin:kotlin-stdlib")
             }
         }
 
         commonTest {
             dependencies {
-                api("org.jetbrains.kotlin:kotlin-test-common")
-                api("org.jetbrains.kotlin:kotlin-test-annotations-common")
+                api("org.jetbrains.kotlin:kotlin-test")
             }
         }
 
         val jvmMain by getting {
-            dependencies {
-                api("org.jetbrains.kotlin:kotlin-stdlib")
-
-            }
         }
         val jvmTest by getting {
             dependencies {
-                api("org.jetbrains.kotlin:kotlin-test-junit")
                 implementation("com.google.guava:guava-testlib:18.0")
             }
         }
 
         val jsMain by getting {
-            dependencies {
-                api("org.jetbrains.kotlin:kotlin-stdlib-js")
-            }
         }
 
         val jsTest by getting {
-            dependencies {
-                api("org.jetbrains.kotlin:kotlin-test-js")
-            }
         }
 
         val nativeMain by getting {