Use jupiter 5.6.1

Author: ligi

buildSrc/src/main/kotlin/Versions.kt

@@ -1,5 +1,5 @@
 object Versions {
     const val kotlin = "1.3.71"
     const val versions_plugin = "0.28.0"
-    const val jupiter = "5.2.0"
+    const val jupiter = "5.6.1"
 }