AN OPEN-LABEL, MULTICENTER, PHASE IB STUDY TO EVALUATE SAFETY, PHARMACOKINETICS, PHARMACODYNAMICS, AND PRELIMINARY ANTI-TUMOR ACTIVITY OF RO7122290, A FIBROBLAST ACTIVATION PROTEIN-A (FAP) TARGETED 4-1BB LIGAND (CD137L), INCOMBINATION WITH CIBISATAMAB WITH OBINUTUZUMAB PRE-TREATMENT, IN PARTICIPANTS WITH PREVIOUSLY TREATED, METASTATIC, MICROSATELLITE-STABLECOLORECTAL ADENOCARCINOMA WITH HIGH CEACAM5 EXPRESSION