/usr/lib/ruby/vendor_ruby/ is in ruby-octokit 3.3.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/octokit/response/
/usr/lib/ruby/vendor_ruby/octokit/
/usr/lib/ruby/vendor_ruby/octokit/repository.rb
/usr/lib/ruby/vendor_ruby/octokit/response/feed_parser.rb
/usr/lib/ruby/vendor_ruby/octokit/response/raise_error.rb
/usr/lib/ruby/vendor_ruby/octokit/arguments.rb
/usr/lib/ruby/vendor_ruby/octokit/version.rb
/usr/lib/ruby/vendor_ruby/octokit/rate_limit.rb
/usr/lib/ruby/vendor_ruby/octokit/user.rb
/usr/lib/ruby/vendor_ruby/octokit/repo_arguments.rb
/usr/lib/ruby/vendor_ruby/octokit/client.rb
/usr/lib/ruby/vendor_ruby/octokit/authentication.rb
/usr/lib/ruby/vendor_ruby/octokit/backports/
/usr/lib/ruby/vendor_ruby/octokit/backports/uri.rb
/usr/lib/ruby/vendor_ruby/octokit/organization.rb
/usr/lib/ruby/vendor_ruby/octokit/gist.rb
/usr/lib/ruby/vendor_ruby/octokit/client/
/usr/lib/ruby/vendor_ruby/octokit/client/commits.rb
/usr/lib/ruby/vendor_ruby/octokit/client/pub_sub_hubbub.rb
/usr/lib/ruby/vendor_ruby/octokit/client/downloads.rb
/usr/lib/ruby/vendor_ruby/octokit/client/contents.rb
/usr/lib/ruby/vendor_ruby/octokit/client/markdown.rb
/usr/lib/ruby/vendor_ruby/octokit/client/feeds.rb
/usr/lib/ruby/vendor_ruby/octokit/client/emojis.rb
/usr/lib/ruby/vendor_ruby/octokit/client/rate_limit.rb
/usr/lib/ruby/vendor_ruby/octokit/client/events.rb
/usr/lib/ruby/vendor_ruby/octokit/client/users.rb
/usr/lib/ruby/vendor_ruby/octokit/client/search.rb
/usr/lib/ruby/vendor_ruby/octokit/client/organizations.rb
/usr/lib/ruby/vendor_ruby/octokit/client/deployments.rb
/usr/lib/ruby/vendor_ruby/octokit/client/gitignore.rb
/usr/lib/ruby/vendor_ruby/octokit/client/statuses.rb
/usr/lib/ruby/vendor_ruby/octokit/client/stats.rb
/usr/lib/ruby/vendor_ruby/octokit/client/authorizations.rb
/usr/lib/ruby/vendor_ruby/octokit/client/refs.rb
/usr/lib/ruby/vendor_ruby/octokit/client/releases.rb
/usr/lib/ruby/vendor_ruby/octokit/client/gists.rb
/usr/lib/ruby/vendor_ruby/octokit/client/service_status.rb
/usr/lib/ruby/vendor_ruby/octokit/client/pages.rb
/usr/lib/ruby/vendor_ruby/octokit/client/hooks.rb
/usr/lib/ruby/vendor_ruby/octokit/client/milestones.rb
/usr/lib/ruby/vendor_ruby/octokit/client/commit_comments.rb
/usr/lib/ruby/vendor_ruby/octokit/client/meta.rb
/usr/lib/ruby/vendor_ruby/octokit/client/labels.rb
/usr/lib/ruby/vendor_ruby/octokit/client/repositories.rb
/usr/lib/ruby/vendor_ruby/octokit/client/notifications.rb
/usr/lib/ruby/vendor_ruby/octokit/client/objects.rb
/usr/lib/ruby/vendor_ruby/octokit/client/legacy_search.rb
/usr/lib/ruby/vendor_ruby/octokit/client/pull_requests.rb
/usr/lib/ruby/vendor_ruby/octokit/client/say.rb
/usr/lib/ruby/vendor_ruby/octokit/client/issues.rb
/usr/lib/ruby/vendor_ruby/octokit/error.rb
/usr/lib/ruby/vendor_ruby/octokit/configurable.rb
/usr/lib/ruby/vendor_ruby/octokit/default.rb
/usr/lib/ruby/vendor_ruby/octokit.rb