fix: trace happy path connection count message (#1754)

This appears in the logs frequently and isn't much use.

src/connection-manager/auto-dial.ts

@@ -112,7 +112,7 @@ export class AutoDial implements Startable {
 
     // Already has enough connections
     if (numConnections >= this.minConnections) {
-      log('have enough connections %d/%d', numConnections, this.minConnections)
+      log.trace('have enough connections %d/%d', numConnections, this.minConnections)
       return
     }