message: Remove use of Store::iter() from configmap_reflector example
diff: -#[macro_use] extern crate log;
  +#[macro_use]
  +extern crate log;
  use futures::{StreamExt, TryStreamExt};
  use k8s_openapi::api::core::v1::ConfigMap;
  use kube::{
  @@ -12,7 +13,7 @@ fn spawn_periodic_reader(reader: Store<ConfigMap>) {
  loop {
  // Periodically read our state
  tokio::time::delay_for(std::time::Duration::from_secs(5)).await;
  - let cms: Vec<_> = reader.iter().map(|eg| Meta::name(eg.value()).clone()).collect();
  + let cms: Vec<_> = reader.state().iter().map(|obj| Meta::name(obj).clone()).collect();
  info!("Current configmaps: {:?}", cms);
  }
  });
  