Update gradle.properties

Author: miho

gradle.properties

@@ -8,9 +8,9 @@ publishJars         = false
 coltVersion                = 1.2.0
 commonsCollections4Version = 4.4
 commonsMath3Version        = 3.6.1
-jacocoVersion              = 0.8.4
+jacocoVersion              = 0.8.7
 javafxPluginVersion        = 0.0.8
 javafxVersion              = 18
 jungVersion                = 2.1.1
 scaledfxVersion            = 0.4
-xstreamVersion             = 1.4.11.1
+xstreamVersion             = 1.4.11.1