message: Change the default log level to `warn` for anything but `casper_node`
diff: @@ -274,7 +274,7 @@ pub fn init_with_config(config: &LoggingConfig) -> anyhow::Result<()> {
  let filter = EnvFilter::new(
  env::var(LOG_CONFIGURATION_ENVVAR)
  .as_deref()
  - .unwrap_or("info"),
  + .unwrap_or("warn,casper_node=info"),
  );
  match config.format {
  