Fix version in Gemfile.lock being out-of-sync
Fix version in Gemfile.lock being out-of-sync

This was an oopsie in my [1]. It doesn't affect `gem install` so only
bringing the lock file to sync without bumping version.

[1] https://github.com/zendesk/zendesk_apps_tools/commit/470a8d6e010970d7b9646304c3b7e17d10694409

zendesk/zendesk_apps_tools,zendesk/zendesk_apps_tools,zendesk/zendesk_apps_tools