Any new FW can take up to 2 weeks to reflect in catalog. You can wait for next catalog update to see whether this new BIOS is included in the catalog. 
BIOS 2.15.0 was released 25 Jul 2022 (after 2.14.0 was redacted).[URL] Enterprise Version 3.9.0 (Build 55)  is still not showing it available for installation as of Aug 2 2022.
FC630 BIOS 2.15.0 not in Open Manage Catalog