Moderator Paul Mills addresses residents at a town meeting in March. Voters will return to the Community Center on May 11 to set the budget for the next fiscal year. Photo by Ben Hanstein.FARMINGTON — Residents are set to return to the Farmington Community Center on May 11 for the second town meeting in three months, with votes scheduled on buying a new fire truck, building a bridge over the Sandy River and approving a $16.6 million budget. At a…