Update junit-framework monorepo to v6

Author: renovate[bot]

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-junit-jupiter = "5.11.3"
+junit-jupiter = "6.0.0"
 
 [libraries]
 assertj = { module = "org.assertj:assertj-core", version = "3.27.6" }