Fix JVM version

src/main/kotlin/Scientifik.kt

@@ -1,10 +1,14 @@
+import org.gradle.api.JavaVersion
+
 /**
  * Build constants
  */
 object Scientifik {
     const val coroutinesVersion = "1.3.4"
     const val serializationVersion = "0.20.0"
-    const val JVM_VERSION = "11"
+
+    val JVM_TARGET = JavaVersion.VERSION_11
+//    val JVM_VERSION = JVM_TARGET.toString()
 
     object Serialization{
         const val xmlVersion = "0.20.0.0"

src/main/kotlin/scientifik/ScientifikJVMPlugin.kt

@@ -22,12 +22,12 @@ open class ScientifikJVMPlugin : Plugin<Project> {
             repositories.applyRepos()
 
             extensions.findByType<JavaPluginExtension>()?.apply {
-                targetCompatibility = enumValueOf(Scientifik.JVM_VERSION)
+                targetCompatibility = Scientifik.JVM_TARGET
             }
 
             tasks.withType<KotlinCompile> {
                 kotlinOptions {
-                    jvmTarget = Scientifik.JVM_VERSION
+                    jvmTarget = Scientifik.JVM_TARGET.toString()
                 }
             }
 

src/main/kotlin/scientifik/ScientifikMPPlugin.kt

@@ -26,7 +26,7 @@ open class ScientifikMPPlugin : Plugin<Project> {
                 jvm {
                     compilations.all {
                         kotlinOptions {
-                            jvmTarget = Scientifik.JVM_VERSION
+                            jvmTarget = Scientifik.JVM_TARGET.toString()
                         }
                     }
                 }