message: [cluster-test] Reducing number of reboot experiments in nightly 20->10
  We can later boost it back, once we figure out how to speed up reboot experiment.
  Closes:
  Approved by: sausagee
diff: @@ -29,7 +29,7 @@ impl ExperimentSuite {
  ));
  let count = min(3, cluster.instances().len() / 3);
  // Reboot different sets of 3 validators *100 times
  - for _ in 0..20 {
  + for _ in 0..10 {
  let b = Box::new(RebootRandomValidatorsParams { count }.build(cluster));
  experiments.push(b);
  }
  