Travis: Update CI matrix

dry-rb / dry-transaction

Business transaction DSL

http://dry-rb.org/gems/dry-transaction

MIT License

468 stars 55 forks source link

Closed olleolleolle closed 5 years ago

olleolleolle commented 5 years ago

This PR updates CI matrix versions.

move dev deps from gemspec to Gemfile (compatibility with more Bundlers)
allow Bundler to be installed by rvm (picking a compatible version per MRI version)