[patch] support db2 upgrade to v12

src/mas/devops/data/catalogs/v9-260226-amd64.yaml

@@ -13,6 +13,7 @@ ocp_compatibility:
 - "4.18"
 - "4.19"
 - "4.20"
+- "4.21"
 
 # Dependencies
 # -----------------------------------------------------------------------------
@@ -24,7 +25,7 @@ cp4d_platform_version: 5.2.0+20250709.170324               # Operator version 5.
 ibm_zen_version: 6.2.0+20250530.152516.232                     # For CPD5 ibm-zen has to be explicitily mirrored
 
 db2u_version: 7.3.1+20250821.161005.16793    # Operator version 110509.0.6 to find the version 7.3.1+20250821.161005.16793, search db2u-operator digest on repo (https://github.com/IBM/cloud-pak/tree/master/repo/case/ibm-db2uoperator)
-db2_channel_default: v110509.0               # Default Channel version for db2u-operator
+db2_channel_default: v120102.0               # 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
 sls_version: 3.12.5                          # Operator version 3.12.5 (https://github.ibm.com/maximoappsuite/ibm-sls/releases)

src/mas/devops/templates/pipelinerun-update.yml.j2

@@ -44,6 +44,10 @@ spec:
     # -------------------------------------------------------------------------
     - name: db2_namespace
       value: "{{ db2_namespace }}"
+    - name: db2_v12_upgrade
+      value: "{{ db2_v12_upgrade }}"
+    - name: db2_channel
+      value: "{{ db2_channel }}"
 {%- endif %}
 {%- if mongodb_namespace is defined and mongodb_namespace != "" %}