Update Kotlin to latest 1.5.10 version and do not run tests on Java 16+

Kotlin kapt currently does not work correctly with Java 16+.
See https://youtrack.jetbrains.com/issue/KT-45545 for more info

Author: filiphr

mapstruct-kotlin-gradle/build.gradle.kts

@@ -1,8 +1,8 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-    kotlin("jvm") version "1.3.61"
-    kotlin("kapt") version "1.3.61"
+    kotlin("jvm") version "1.5.10"
+    kotlin("kapt") version "1.5.10"
 }
 
 group = "org.mapstruct.examples"
@@ -28,4 +28,4 @@ tasks.withType<KotlinCompile> {
 
 val test by tasks.getting(Test::class) {
     useJUnitPlatform { }
-}
+}

mapstruct-kotlin/pom.xml

@@ -9,12 +9,10 @@
     <version>1.0.0-SNAPSHOT</version>
     <packaging>jar</packaging>
 
-    <name>Sample application demonstration the use of MapStruct and Kotlin</name>
-
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
-        <kotlin.version>1.2.51</kotlin.version>
+        <kotlin.version>1.5.10</kotlin.version>
         <kotlin.compiler.jvmTarget>1.8</kotlin.compiler.jvmTarget>
         <mapstruct.version>1.4.2.Final</mapstruct.version>
     </properties>

pom.xml

@@ -25,7 +25,6 @@
         <module>mapstruct-spi-accessor-naming</module>
         <module>mapstruct-protobuf3</module>
         <module>mapstruct-updatemethods-1</module>
-        <module>mapstruct-kotlin</module>
         <module>mapstruct-jpa-child-parent</module>
         <module>mapstruct-lookup-entity-with-id</module>
         <module>mapstruct-metadata-with-annotations</module>
@@ -53,5 +52,18 @@
                 <module>mapstruct-quarkus</module>
             </modules>
         </profile>
+        <profile>
+            <id>java16-</id>
+            <activation>
+                <jdk>(,16)</jdk>
+            </activation>
+            <modules>
+                <!--
+                    Kotlin kapt currently has problems on Java 16+.
+                    See https://youtrack.jetbrains.com/issue/KT-45545
+                 -->
+                <module>mapstruct-kotlin</module>
+            </modules>
+        </profile>
     </profiles>
 </project>