fix: suppress clippy type_complexity lint in capacity_manager test helper (#4209)

crates/object-capacity/src/capacity_manager.rs

@@ -1128,6 +1128,7 @@ mod tests {
     /// Table of env-configurable getters: (env var, getter normalized to u64,
     /// expected default, override string, expected override value).
     /// Durations are normalized to whole seconds.
+    #[allow(clippy::type_complexity)]
     fn config_getter_cases() -> Vec<(&'static str, fn() -> u64, u64, &'static str, u64)> {
         vec![
             (