The University of Delaware’s Resident Ensemble Players will offer a two-play 2022-23 season, with bonus weekend-only chamber shows. The REP, as the University of Delaware’s professional acting troupe is called, will offer “Arsenic and Old Lace” Nov. 3-Nov. 20 and “Medea” April 13-April 30. In addition, the resident ensemble will off something new: Chamber REP, a series of one-weekend events, …