Fix missing registry-auth secrets for integration tests ansible group

The integration tests ansible group now uses the stage env. This is now
necessary because the operator_pipeline_release_namespace var corresponds
to secrets determined by the environment.

Author: amisstea

ansible/inventory/group_vars/operator-pipeline-integration-tests.yml

@@ -1,12 +1,12 @@
 ---
-env: dev
+env: stage
 ocp_host: https://api.pipelines-stage.0ce8.p1.openshiftapps.com:6443
 branch: "{{ env }}"
 operator_pipeline_webhook_secret: ../../vaults/common/github-webhook-secret-preprod.txt
 kerberos_keytab: ../../vaults/common/nonprod-operatorpipelines.keytab
 
 operator_pipeline_image_tag: "v1.0.8"
-operator_pipeline_release_namespace: redhat-isv-operators-dev
+operator_pipeline_release_namespace: redhat-isv-operators-stage
 
 # how many of newest pipelineruns should be preserved on cleanup?
 preserve_after_cleanup: "5"