build: use recommended JUnit gradle setup

Author: quintesse

build.gradle

@@ -109,8 +109,9 @@ dependencies {
 	implementation "eu.maveniverse.maven.mima:context:2.4.20"
 	runtimeOnly    "eu.maveniverse.maven.mima.runtime:standalone-static:2.4.20"
 
-	testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:5.10.1"
-	testImplementation "org.junit.jupiter:junit-jupiter:5.10.1"
+	testImplementation platform('org.junit:junit-bom:5.12.1')
+	testImplementation "org.junit.jupiter:junit-jupiter"
+	testRuntimeOnly "org.junit.platform:junit-platform-launcher"
 	testImplementation "com.github.stefanbirkner:system-rules:1.17.2"
 	testImplementation "org.hamcrest:hamcrest-library:2.2"
 	testImplementation "com.github.tomakehurst:wiremock-jre8:2.32.0"