wifi: Avoid ambiguity about the type of a set elements

src/wifi/model/wifi-mac-queue-scheduler-impl.h

@@ -632,7 +632,7 @@ WifiMacQueueSchedulerImpl<Priority, Compare>::BlockAllQueues(WifiQueueBlockedRea
     }
     else
     {
-        m_blockAllInfo[reason].merge(std::set{linkIds});
+        m_blockAllInfo[reason].merge(std::set<uint8_t>{linkIds});
     }
 }