Rename default context for stacklight job

Related-PROD: PROD-22562

Change-Id: I420a45552e635a44b173d594487562acd426bf6c
diff --git a/jenkins/client/job/stacklight/cookiecutter.yml b/jenkins/client/job/stacklight/cookiecutter.yml
index 2cdfd07..0ef4b5b 100644
--- a/jenkins/client/job/stacklight/cookiecutter.yml
+++ b/jenkins/client/job/stacklight/cookiecutter.yml
@@ -27,7 +27,7 @@
             COOKIECUTTER_TEMPLATE_CONTEXT_FILE:
               type: choice
               description: "Context for cookiecutter template specified as filename"
-              default: 'stacklight-openstack-ovs-pike'
+              default: 'stacklight-openstack-ovs-core-pike'
             OPENSTACK_API_PROJECT:
               type: string
               default: "mcp-stacklight"