IJPL-204686 Updated jvm/jbr version to 21 across multiple modules

There are more statements in the testData, left them as is for now

GitOrigin-RevId: ca654cccb3650be0ba5c9257cffd8f8d3db97436

native/XPlatLauncher/resources/TestProject/build.gradle.kts

@@ -1,3 +1,4 @@
+// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 import java.net.URI
 import java.nio.file.Files
 import java.nio.file.StandardCopyOption

native/XPlatLauncher/resources/TestProject/gradle.properties

@@ -1,3 +1,3 @@
-jbrSdkVersion = 17.0.6
-jbrSdkBuildNumber = 829.9
+jbrSdkVersion=17.0.6
+jbrSdkBuildNumber=829.9
 org.gradle.jvmargs=-Xmx2048m

platform/workspace/codegen-impl/build.gradle.kts

@@ -1,3 +1,4 @@
+// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 plugins {
   id("maven-publish")
   id("java")
@@ -21,7 +22,7 @@ repositories {
 }
 
 kotlin {
-  jvmToolchain(17)
+  jvmToolchain(21)
 }
 
 publishing {

platform/workspace/codegen/build.gradle.kts

@@ -1,3 +1,4 @@
+// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 plugins {
   id("maven-publish")
   id("java")
@@ -15,7 +16,7 @@ repositories {
 }
 
 kotlin {
-  jvmToolchain(17)
+  jvmToolchain(21)
 }
 
 tasks.withType(Jar::class) {

plugins/java-decompiler/engine/build.gradle.kts

@@ -5,8 +5,8 @@ plugins {
 }
 
 tasks.compileJava {
-  sourceCompatibility = "17"
-  targetCompatibility = "17"
+  sourceCompatibility = "21"
+  targetCompatibility = "21"
 }
 
 sourceSets {

plugins/performanceTesting/commands-model/build.gradle

@@ -33,7 +33,7 @@ dependencies {
 }
 
 kotlin {
-  jvmToolchain(17)
+  jvmToolchain(21)
 }
 
 sourceSets {

plugins/performanceTesting/event-bus/build.gradle

@@ -52,7 +52,7 @@ dependencies {
 }
 
 kotlin {
-  jvmToolchain(17)
+  jvmToolchain(21)
   compileKotlin {
     kotlinOptions {
       freeCompilerArgs += "-opt-in=kotlin.time.ExperimentalTime"

python/setup-test-environment/build.gradle.kts

@@ -12,7 +12,7 @@ plugins {
 
 java {
   toolchain {
-    languageVersion.set(JavaLanguageVersion.of(17))
+    languageVersion.set(JavaLanguageVersion.of(21))
   }
 }