Update db2 version (it's been fixed in the catalog now)

Author: durera

src/mas/devops/data/catalogs/v9-260430-amd64.yaml

@@ -24,7 +24,7 @@ common_svcs_version_1: 4.11.0                   # Additional version 4.11.0
 cp4d_platform_version: 5.2.0+20250709.170324    # Operator version 5.2.0 (https://github.com/IBM/cloud-pak/tree/master/repo/case/ibm-cp-datacore/)
 ibm_zen_version: 6.2.0+20250530.152516.232      # For CPD5 ibm-zen has to be explicitily mirrored
 
-db2u_version: 7.5.1+20251217.121408.18568       # Operator version 110509.0.6 (https://github.com/IBM/cloud-pak/tree/master/repo/case/ibm-db2uoperator)
+db2u_version: 7.3.1+20250821.161005.16793       # Operator version 110509.0.6 (https://github.com/IBM/cloud-pak/tree/master/repo/case/ibm-db2uoperator)
 db2_channel_default: v110509.0                  # Default Channel version for db2u-operator
 events_version: 5.0.1                           # Operator version 5.0.1 (https://github.com/IBM/cloud-pak/tree/master/repo/case/ibm-events-operator)
 uds_version: 2.0.12                             # Operator version 2.0.12 # sticking to 2.0.12 version # Please do Not Change