Bump junit version from 5.11.4 to 5.12.0 (#3999)

Add runtime dependency to "org.junit.platform:junit-platform-launcher" as per
junit-team/junit-framework#4335 (comment)

Signed-off-by: Violeta Georgieva <[email protected]>

Author: violetagg

gradle/dependencies.gradle

@@ -9,7 +9,7 @@ ext {
     cglibVersion = "3.3.0"
     javaObjectLayoutVersion = "0.17"
     jmhVersion = "1.37"
-    junitVersion = "5.11.4"
+    junitVersion = "5.12.0"
     logbackVersion = "1.2.13"
     mockitoVersion = "4.11.0"
     slf4jVersion = "1.7.36"

reactor-test/build.gradle

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011-2024 VMware Inc. or its affiliates, All Rights Reserved.
+ * Copyright (c) 2011-2025 VMware Inc. or its affiliates, All Rights Reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,6 +43,7 @@ dependencies {
 	testImplementation platform("org.junit:junit-bom:$junitVersion")
 	testImplementation "org.junit.jupiter:junit-jupiter-api"
 	testImplementation "org.junit.jupiter:junit-jupiter-params"
+	testRuntimeOnly "org.junit.platform:junit-platform-launcher"
 	testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine"
 
 	testRuntimeOnly "ch.qos.logback:logback-classic:$logbackVersion"

reactor-tools/src/buildPluginTest/resources/mock-gradle/build.gradle

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 VMware Inc. or its affiliates, All Rights Reserved.
+ * Copyright (c) 2021-2025 VMware Inc. or its affiliates, All Rights Reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -51,6 +51,7 @@ dependencies {
 
 	testImplementation platform("org.junit:junit-bom:@JUNIT_BOM_VERSION@")
 	testImplementation "org.junit.jupiter:junit-jupiter-api"
+	testRuntimeOnly "org.junit.platform:junit-platform-launcher"
 	testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine"
 
 	testImplementation "org.assertj:assertj-core:3.23.1"