Update rspec to 3.10.x to suppress Ruby 2.7 kwarg warnings
Updates rspec to 3.10.x to suppress Ruby 2.7 kwargs warnings in a test/dev env.
logs (ruby:2.7 job)
- before: https://gitlab.com/gitlab-org/labkit-ruby/-/jobs/1183003780
- after: https://gitlab.com/gitlab-org/labkit-ruby/-/jobs/1184912079
Closes #26 (closed)
Edited by Takuya Noguchi