Update junit5 monorepo to v5.12.0 (#70)

Author: nedtwigg

build.gradle

@@ -16,7 +16,7 @@ allprojects {
 }
 apply from: 干.file('base/sonatype.gradle')
 
-String VER_JUNIT_JUPITER = '5.11.4'
+String VER_JUNIT_JUPITER = '5.12.0'
 subprojects {
 	apply from: 干.file('base/java.gradle')
 	apply from: 干.file('base/kotlin.gradle')
@@ -38,7 +38,7 @@ subprojects {
 	} else if (it.name == 'atplug-test-harness') {
 		ext.maven_name='AtPlug test harness'
 		dependencies {
-			compileOnly "org.junit.jupiter:junit-jupiter-api:5.11.4"
+			compileOnly "org.junit.jupiter:junit-jupiter-api:5.12.0"
 			implementation "org.jetbrains.kotlin:kotlin-reflect:2.1.0"
 			implementation project(':atplug-runtime')
 		}