Upgrade JUnit to 6.0.1

Author: wojciech-adaptive

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ hdrHistogram = "2.2.2"
 httpcore = "4.4.14"
 jmh = "1.37"
 json = "20250517"
-junit = "6.0.0"
+junit = "6.0.1"
 mockito = "5.20.0"
 plexus = "3.3.0"
 sbe = "1.36.2"