Smarter-than-smart technology holds one of the keys for Reno-based Employers Holdings Inc. as it prepares for the growth that will accompany the economic rebound.But the publicly held company its shares have been traded on the New York Stock Exchange since early 2007 probably will be increasing its workforce in Reno as well.The workers compensation carrier currently employs about 200 people at its headquarters in South Meadows."Our employees are working very hard," says Douglas Dirks, the president and chief executive officer of Employers. "We're deploying technology as well as we can."But even with the hard work and technology, Dirks figures the …