fix: load first 100 collaborators with push permission

Author: marcusksb

lib/pull_preview/github_sync.rb

@@ -339,7 +339,7 @@ def expanded_admins
       admins = opts[:admins].dup.map(&:strip)
       if admins.include?(collaborators_with_push)
         admins.delete(collaborators_with_push)
-        admins.push(*octokit.collaborators(repo).select{|c| c.permissions&.push}.map(&:login))
+        admins.push(*octokit.collaborators(repo, permission: 'push', per_page: 100).map(&:login))
       end
       admins.uniq
     end