Update testing dependencies to use JUnit BOM and platform launcher

Author: nakamura-to

build.gradle.kts

@@ -20,8 +20,10 @@ dependencies {
     implementation("org.komapper:komapper-starter-jdbc")
     implementation("org.komapper:komapper-dialect-h2-jdbc")
     ksp("org.komapper:komapper-processor")
-    testImplementation("org.junit.jupiter:junit-jupiter-api:5.12.0")
-    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.12.0")
+    testImplementation(platform("org.junit:junit-bom:5.12.0"))
+    testRuntimeOnly("org.junit.platform:junit-platform-launcher")
+    testImplementation("org.junit.jupiter:junit-jupiter-api")
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
 }
 
 repositories {