Merge branch 'fix-single-uring-stats' into 'master'

[io/Stats] don't try to print worker stats when using a single uring

See merge request !324

emper/io/Stats.cpp

@@ -125,6 +125,8 @@ void Stats::printStats(IoContext* globalIoContext, const std::vector<IoContext*>
 		out << globalIoContext->getStats();
 	}
 
+	if constexpr (emper::IO_SINGLE_URING) return;
+
 	// Use a stats object to calculate the averages
 	Stats avgs;
 	// mark as averages