fix preview artifact discovery

- use Octokit's normalized artifact pagination result
- regenerate the deployment workflow

Author: databasedav

.github/workflows/deploy_reviewed_pr_preview.yaml

@@ -138,7 +138,6 @@ jobs:
                 run_id: runId,
                 per_page: 100,
               },
-              response => response.data.artifacts,
             );
             return artifacts.filter(artifact => !artifact.expired);
           }

kaaj/src/pr_preview_scripts.ncl

@@ -18,7 +18,6 @@ let { active_deploy_review_helper, deploy_permission_helper, .. } = import "pr_p
         run_id: runId,
         per_page: 100,
       },
-      response => response.data.artifacts,
     );
     return artifacts.filter(artifact => !artifact.expired);
   }