add activation-key annotation

Author: jiridanek

.tekton/odh-base-image-cpu-py312-c9s-pull-request.yaml

@@ -8,6 +8,7 @@ metadata:
     build.appstudio.redhat.com/target_branch: '{{target_branch}}'
     pipelinesascode.tekton.dev/cancel-in-progress: "true"
     pipelinesascode.tekton.dev/max-keep-runs: "3"
+    build.appstudio.redhat.com/rh-subscription-secret: 'activation-key'
     pipelinesascode.tekton.dev/on-comment: ^/kfbuild\s+(all|odh\-base\-image\-cpu\-py312\-c9s|base\-images/cpu/c9s\-python\-3\.12)
     pipelinesascode.tekton.dev/on-cel-expression: event == "pull_request" && target_branch == "main" && ( "base-images/cpu/c9s-python-3.12/**".pathChanged() || ".tekton/odh-base-image-cpu-py312-c9s-pull-request.yaml".pathChanged() )
       && body.repository.full_name == "opendatahub-io/notebooks"