Jenkins script approvals list extended

Change-Id: I140dc22fa707b6aeea8c0e87263731e9d74625b2
diff --git a/jenkins/client/approved_scripts.yml b/jenkins/client/approved_scripts.yml
index b187e26..62bab8d 100644
--- a/jenkins/client/approved_scripts.yml
+++ b/jenkins/client/approved_scripts.yml
@@ -129,3 +129,4 @@
         - method org.jenkinsci.plugins.workflow.steps.FlowInterruptedException getCauses
         - method org.jenkinsci.plugins.workflow.support.steps.build.RunWrapper getRawBuild
         - method hudson.model.Actionable getAction java.lang.Class
+        - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods toSorted java.lang.Iterable