chore(kotlin): use the JDK 11 kotlin libs (#4978)
chore(kotlin): use the JDK 11 kotlin libs (#4978)

I missed this in commit #4919, which switched us to targeting Java 11.
spinnaker/clouddriver,ajordens/clouddriver,ajordens/clouddriver,ajordens/clouddriver,spinnaker/clouddriver,spinnaker/clouddriver,ajordens/clouddriver