Feat/autodetect trace rawtx and storage values (#825)

foundation/build.gradle

@@ -1,6 +1,9 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
 plugins {
     id 'org.jetbrains.kotlin.jvm' version '2.3.0'
     id 'maven-publish'
+    id 'java'
 }
 
 repositories {
@@ -10,6 +13,18 @@ repositories {
 
 group = 'dshackle'
 
+java {
+    sourceCompatibility = JavaVersion.VERSION_21
+    targetCompatibility = JavaVersion.VERSION_21
+}
+
+compileKotlin {
+    compilerOptions.jvmTarget.set(JvmTarget.JVM_21)
+}
+compileTestKotlin {
+    compilerOptions.jvmTarget.set(JvmTarget.JVM_21)
+}
+
 dependencies {
     implementation 'org.yaml:snakeyaml:1.24'
     testImplementation 'org.junit.jupiter:junit-jupiter:6.0.1'