build: set target jvm for auth and model-server

Author: mhuster23

authorization/build.gradle.kts

@@ -29,6 +29,12 @@ tasks.getByName<Test>("test") {
     useJUnitPlatform()
 }
 
+java {
+    toolchain {
+        languageVersion.set(JavaLanguageVersion.of(11))
+    }
+}
+
 publishing {
     publications {
         create<MavenPublication>("maven") {

model-server/build.gradle.kts

@@ -15,10 +15,11 @@ description = "Model Server offering access to model storage"
 
 defaultTasks.add("build")
 
-/*compileJava {
-    sourceCompatibility = '11'
-    targetCompatibility = '11'
-}*/
+java {
+    toolchain {
+        languageVersion.set(JavaLanguageVersion.of(11))
+    }
+}
 
 val mpsExtensionsVersion: String by project
 val modelixCoreVersion: String by rootProject