Update RSpec 4 CI to the monorepo

Rspec now lives under https://github.com/rspec/rspec Also see rspec/rspec#153 Without this change, it will continue to test use stale code

Author: Earlopain

.github/workflows/rubocop.yml

@@ -160,11 +160,11 @@ jobs:
  run: |
  sed -e "/'rspec', '~> 3/d" -i Gemfile
  cat << EOF > Gemfile.local
- gem 'rspec', github: 'rspec/rspec-metagem', branch: '4-0-dev'
- gem 'rspec-core', github: 'rspec/rspec-core', branch: '4-0-dev'
- gem 'rspec-expectations', github: 'rspec/rspec-expectations', branch: '4-0-dev'
- gem 'rspec-mocks', github: 'rspec/rspec-mocks', branch: '4-0-dev'
- gem 'rspec-support', github: 'rspec/rspec-support', branch: '4-0-dev'
+ gem 'rspec', github: 'rspec/rspec', branch: '4-0-dev'
+ gem 'rspec-core', github: 'rspec/rspec', branch: '4-0-dev'
+ gem 'rspec-expectations', github: 'rspec/rspec', branch: '4-0-dev'
+ gem 'rspec-mocks', github: 'rspec/rspec', branch: '4-0-dev'
+ gem 'rspec-support', github: 'rspec/rspec', branch: '4-0-dev'
  EOF
  - uses: ruby/setup-ruby@v1
  with: