updated support files

Author: HugoMario

samples/client/petstore/kotlin/README.md

@@ -2,8 +2,8 @@
 
 ## Requires
 
-* Kotlin 1.3.72
-* Gradle 4.9
+* Kotlin 1.4.30
+* Gradle 5.3
 
 ## Build
 

samples/client/petstore/kotlin/build.gradle

@@ -2,12 +2,12 @@ group 'io.swagger'
 version '1.0.0'
 
 wrapper {
-    gradleVersion = '4.9'
+    gradleVersion = '5.3'
     distributionUrl = "https://services.gradle.org/distributions/gradle-$gradleVersion-all.zip"
 }
 
 buildscript {
-    ext.kotlin_version = '1.3.72'
+    ext.kotlin_version = '1.4.30'
 
     repositories {
         maven { url "https://repo1.maven.org/maven2" }
@@ -26,8 +26,8 @@ repositories {
 dependencies {
     compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     compile "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
-    compile "com.squareup.moshi:moshi-kotlin:1.9.2"
-    compile "com.squareup.moshi:moshi-adapters:1.9.2"
-    compile "com.squareup.okhttp3:okhttp:4.2.2"
+    compile "com.squareup.moshi:moshi-kotlin:1.11.0"
+    compile "com.squareup.moshi:moshi-adapters:1.11.0"
+    compile "com.squareup.okhttp3:okhttp:4.9.0"
     testCompile "io.kotlintest:kotlintest:2.0.7"
 }

samples/client/petstore/kotlin/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.9-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists