update to latest versions

Clients/Java/sample/build.gradle.kts

@@ -13,17 +13,11 @@ dependencies {
   implementation("org.jetbrains.kotlin:kotlin-bom")
   implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
 
-  implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.0-RC")
+  implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.9.0")
 
   implementation(rootProject)
 }
 
-java {
-  val javaVersion = JavaVersion.toVersion(17)
-  sourceCompatibility = javaVersion
-  targetCompatibility = javaVersion
-}
-
 application {
   mainClass.set("gay.pizza.stable.diffusion.sample.MainKt")
 }