Wizard: update Kotlin version for tests to dev one

Needed for support latest syntax of Gradle dsl for js

libraries/tools/new-project-wizard/new-project-wizard-cli/testData/buildFileGeneration/jvmTarget/build.gradle

@@ -1,11 +1,14 @@
 plugins {
-    id 'org.jetbrains.kotlin.multiplatform' version '1.3.70'
+    id 'org.jetbrains.kotlin.multiplatform' version 'KOTLIN_VERSION'
 }
 group = 'testGroupId'
 version = '1.0-SNAPSHOT'
 
 repositories {
     mavenCentral()
+    maven {
+        url 'https://dl.bintray.com/kotlin/kotlin-dev'
+    }
 }
 kotlin {
     jvm {

libraries/tools/new-project-wizard/new-project-wizard-cli/testData/buildFileGeneration/jvmTarget/build.gradle.kts

@@ -1,11 +1,14 @@
 plugins {
-    kotlin("multiplatform") version "1.3.70"
+    kotlin("multiplatform") version "KOTLIN_VERSION"
 }
 group = "testGroupId"
 version = "1.0-SNAPSHOT"
 
 repositories {
     mavenCentral()
+    maven {
+        url = uri("https://dl.bintray.com/kotlin/kotlin-dev")
+    }
 }
 kotlin {
     jvm {

libraries/tools/new-project-wizard/new-project-wizard-cli/testData/buildFileGeneration/jvmTarget/settings.gradle

@@ -1 +1,10 @@
+pluginManagement {
+    repositories {
+        mavenCentral()
+        maven {
+            url 'https://dl.bintray.com/kotlin/kotlin-dev'
+        }
+    }
+
+}
 rootProject.name = 'generatedProject'

libraries/tools/new-project-wizard/new-project-wizard-cli/testData/buildFileGeneration/jvmTarget/settings.gradle.kts

@@ -1 +1,10 @@
+pluginManagement {
+    repositories {
+        mavenCentral()
+        maven {
+            url = uri("https://dl.bintray.com/kotlin/kotlin-dev")
+        }
+    }
+
+}
 rootProject.name = "generatedProject"