Add a flag to disable peer scoring (#4135)

## Issue Addressed

N/A

## Proposed Changes

Adds a flag for disabling peer scoring. This is useful for local testing and testing small networks for new features.

beacon_node/http_api/src/test_utils.rs

@@ -155,6 +155,7 @@ pub async fn create_api_server_on_port<T: BeaconChainTypes>(
         None,
         meta_data,
         vec![],
+        false,
         &log,
     ));