fix: list tribes default timeout set to 15 seconds (#45)

src/cli/args.rs

@@ -104,7 +104,7 @@ pub struct ListTribeArgs {
  ///
  /// The list-tribes commands tries to look for all the currently available tribes
  /// for this amount of time maximum.
- #[arg(long, value_name = "timeout", default_value_t = 30)]
+ #[arg(long, value_name = "timeout", default_value_t = 15)]
  pub timeout: u64,
 }