The Lady Bruins punched their ticket Wednesday to the Sleep Train Arena and the Sac-Joaquin Section Division IV finals with a thrilling 42-39 overtime victory over previously undefeated Argonaut. “We didn’t get down at all throughout the game,” said Bear River senior guard Savannah Welz. “We started out a little flat but we never put our heads down and as a team we all picked it up.” Battling it out at Tokay High School the two girls basketball teams known for their defenses lived up to their billing. The No. 1 seeded Lady Bruins (26-3) came into the game allowing …