message: pluralize: also fix endpointslices
diff: @@ -353,7 +353,7 @@ impl Resource {
  // Simple pluralizer. Handles the special cases.
  fn to_plural(word: &str) -> String {
  - if word == "endpoints" {
  + if word == "endpoints" || word == "endpointslices" {
  return word.to_owned();
  } else if word == "nodemetrics" {
  return "nodes".to_owned();
  