Upgraded JUnit to version 6.0.1.

Author: ianbrandt

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ jetbrains-annotations = "23.0.0"
 jackson = "2.19.2"
 jackson-kogera = "2.19.2-beta27"
 jakarta-inject = "2.0.1"
-junit = "5.13.4"
+junit = "6.0.1"
 jvmDependencyConflictResolution-gradlePlugin = "2.4"
 kotlin = "2.2.21"
 kotlin-metadata-jvm = "2.2.0"