Add bundler to before_install

https://docs.travis-ci.com/user/languages/ruby/#bundler-20
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Nick Johnson 2019-01-08 07:53:03 +13:00 committed by GitHub
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@ -2,6 +2,9 @@ sudo: false # route your build to the container-based infrastructure for a faste
language: ruby language: ruby
before_install:
- gem install bundler -v '< 2'
cache: cache:
# Cache Ruby bundles # Cache Ruby bundles
- bundler - bundler