Bump up 'io.fabric8/kubernetes-client' library from 'v2.6.3' to 'v3.1.6'

Author: GaneshSPatil

build.gradle

@@ -54,7 +54,7 @@ dependencies {
     compile group: 'com.google.guava', name: 'guava', version: '19.0'
     compile group: 'org.apache.commons', name: 'commons-lang3', version: '3.4'
     compile group: 'joda-time', name: 'joda-time', version: '2.9.4'
-    compile group: 'io.fabric8', name: 'kubernetes-client', version: '2.6.3'
+    compile group: 'io.fabric8', name: 'kubernetes-client', version: '3.1.6'
     compile group: 'com.github.spullara.mustache.java', name: 'compiler', version: '0.9.5'
     compile group: 'org.freemarker', name: 'freemarker', version: '2.3.23'