I’ve been experiencing the exact same issue since yesterday.
My workflow
https://github.com/YubinShin/YubinShin.github.io/actions/runs/7334287115/job/19970779397
My local machine ruby, gem version
root@yubin:~/YubinShin.github.io# ruby --version
ruby 3.2.2 (2023-03-30 revision e51014f9c0) [x86_64-linux]
root@yubin:~/YubinShin.github.io# gem --version
3.4.20