By Joseph Salvador The team is still reportedly looking for trade partners for the quarterback as he rehabs from shoulder surgery. The 49ers have excused quarterback Jimmy Garoppolo’s absence from minicamp, according to NFL Network’s Tom Pelissero. Garoppolo has been rehabbing from shoulder surgery away from the team while San Francisco continues to look for a deal to trade the signal-caller and that will continue. Garoppolo underwent shoulder surgery in March and won’t be able to throw until roughly July 4, according to a March report by ESPN’s Adam Schefter. San Francisco has been looking fo…