add topic frontmatter to articles (#18245)

content/github/working-with-github-support/github-enterprise-cloud-support.md

@@ -7,6 +7,8 @@ redirect_from:
 intro: '{% data variables.product.prodname_ghe_cloud %} includes a target eight-hour response time for priority support requests, Monday to Friday in your local time zone.'
 versions:
   free-pro-team: '*'
+topics:
+  - jobs
 ---
 
 {% note %}