Bump Kotlin to 2.1.21

bom/application/pom.xml

@@ -151,7 +151,7 @@
         <cloudevents-api.version>3.0.0</cloudevents-api.version>
         <azure-functions-java-library.version>3.1.0</azure-functions-java-library.version>
         <azure-functions-java-spi.version>1.0.0</azure-functions-java-spi.version>
-        <kotlin.version>2.1.20</kotlin.version>
+        <kotlin.version>2.1.21</kotlin.version>
         <kotlin.coroutine.version>1.10.2</kotlin.coroutine.version>
         <kotlin-serialization.version>1.8.1</kotlin-serialization.version>
         <azure.toolkit-lib.version>0.27.0</azure.toolkit-lib.version>

build-parent/pom.xml

@@ -20,7 +20,7 @@
 
         <!-- These properties are needed in order for them to be resolvable by the generated projects -->
         <compiler-plugin.version>${version.compiler.plugin}</compiler-plugin.version>
-        <kotlin.version>2.1.20</kotlin.version>
+        <kotlin.version>2.1.21</kotlin.version>
         <dokka.version>2.0.0</dokka.version>
         <scala.version>2.13.12</scala.version>
         <scala-maven-plugin.version>4.9.5</scala-maven-plugin.version>

devtools/gradle/gradle-application-plugin/src/test/java/io/quarkus/gradle/QuarkusPluginTest.java

@@ -105,7 +105,7 @@ public void shouldReturnMultipleOutputSourceDirectories() {
 
     @Test
     public void shouldNotFailOnProjectDependenciesWithoutMain(@TempDir Path testProjectDir) throws IOException {
-        var kotlinVersion = System.getProperty("kotlin_version", "2.1.20");
+        var kotlinVersion = System.getProperty("kotlin_version", "2.1.21");
         var settingFile = testProjectDir.resolve("settings.gradle.kts");
         var mppProjectDir = testProjectDir.resolve("mpp");
         var quarkusProjectDir = testProjectDir.resolve("quarkus");

independent-projects/arc/pom.xml

@@ -53,7 +53,7 @@
         <!-- test versions -->
         <version.assertj>3.27.3</version.assertj>
         <version.junit5>5.12.2</version.junit5>
-        <version.kotlin>2.1.20</version.kotlin>
+        <version.kotlin>2.1.21</version.kotlin>
         <version.kotlin-coroutines>1.10.2</version.kotlin-coroutines>
         <version.mockito>5.17.0</version.mockito>
         <!-- TCK versions -->

integration-tests/gradle/src/main/resources/conditional-dependencies-kotlin/build.gradle.kts

@@ -1,6 +1,6 @@
 plugins {
-    kotlin("jvm") version "2.1.20"
-    kotlin("plugin.allopen") version "2.1.20"
+    kotlin("jvm") version "2.1.21"
+    kotlin("plugin.allopen") version "2.1.21"
     id("io.quarkus")
 }
 

integration-tests/gradle/src/main/resources/grpc-multi-module-no-java/build.gradle.kts

@@ -1,6 +1,6 @@
 plugins {
-    kotlin("jvm") version "2.1.20"
-    kotlin("plugin.allopen") version "2.1.20"
+    kotlin("jvm") version "2.1.21"
+    kotlin("plugin.allopen") version "2.1.21"
 
     id("io.quarkus") apply false
 }