message: filter out projects with missing default branch
diff: @@ -94,7 +94,7 @@ export class GitLabDiscoveryProcessor implements CatalogProcessor {
  };
  for await (const project of projects) {
  result.scanned++;
  - if (!project.archived) {
  + if (!(project.archived || project.default_branch === undefined)) {
  result.matches.push(project);
  }
  }
  