The race between incumbent state Sen. William Brownsberger and challenger Daniel Lander remains too close to call. An update to the results from Boston Wednesday morning pushed the challenger, Lander, into the lead, 12,088-12,068. Before the change, Brownsberger held a narrow, 61-vote lead. Brownsberger won the Belmont vote, outpolling Lander 3,974-1,793. “Tonight, we sent a very loud message to leadership on Beacon Hill,” Lander said in a statement. “ … Voters are tired of a broken status quo where they…