[patch] AIS - add variable to support watsonX CA cert

Author: karol-czarnecki

src/mas/devops/templates/pipelinerun-aiservice-install.yml.j2

@@ -245,6 +245,8 @@ spec:
       value: "{{ aiservice_watsonxai_project_id }}"
     - name: aiservice_watsonx_action
       value: "{{ aiservice_watsonx_action }}"
+      - name: aiservice_watsonxai_ca_crt
+      value: "{{ aiservice_watsonxai_ca_crt }}"
 
   workspaces:
     # The generated configuration files