Changed Kotlin Jvm compile target to 11 to match Android

Author: LachlanMcKee

build.gradle.kts

@@ -1,3 +1,6 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+import org.jetbrains.kotlin.gradle.tasks.KotlinJvmCompile
+
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
@@ -52,3 +55,13 @@ dependencyAnalysis {
 tasks.register("clean", Delete::class) {
     delete(rootProject.buildDir)
 }
+
+subprojects {
+    afterEvaluate {
+        tasks.withType(KotlinJvmCompile::class.java).configureEach {
+            compilerOptions {
+                jvmTarget.set(JvmTarget.JVM_11)
+            }
+        }
+    }
+}