またしばらくterraform職人しよ

https://blog.digger.dev/does-diggers-orchestrator-backend-need-to-be-accessible-publicly/

> This configuration, however, won't have certain features such as concurrency, has a potential for clashing applies, and there's a need for manual setup of buckets or tables for PR-level locks.

backend-lessだとPR-level locksは使えないのかなー

diggerのlockがいまいちよくわからん