Update gradle.properties to fix Vulnerability

Vulnerability CVE-2020-15250

gradle.properties

@@ -1,4 +1,4 @@
-groovyVersion=3.0.7
+groovyVersion=3.0.9
 groovy2Version=2.5.10
 kotlinVersion=1.3.72
 httpBuilderVersion=1.0.4
@@ -7,11 +7,11 @@ httpClientVersion=4.5.13
 scalaVersion=2.13.2
 specs2Version=4.9.4
 scalaTestVersion=3.1.2
-slf4jVersion=1.7.28
-logbackVersion=1.2.3
+slf4jVersion=1.7.32
+logbackVersion=1.2.5
 junitVersion=4.13.2
-jsonVersion=20160212
-nettyVersion=4.1.52.Final
+jsonVersion=20210307
+nettyVersion=4.1.66.Final
 mavenPluginPluginVersion=3.5
 guavaVersion=18.0
 junit5Version=5.5.2