[patch] add db2_v12_upgrade

Author: terc1997

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

@@ -44,6 +44,8 @@ spec:
     # -------------------------------------------------------------------------
     - name: db2_namespace
       value: "{{ db2_namespace }}"
+    - name: db2_v12_upgrade
+      value: "{{ db2_v12_upgrade }}"
 {%- endif %}
 {%- if mongodb_namespace is defined and mongodb_namespace != "" %}