CI: Use 2.5.7, 2.6.5, 2.7.0 (#330)

* Use recent rubies

* Test on Ruby 2.7.0

Author: budnik

.travis.yml

@@ -7,15 +7,17 @@ after_success:
   - bundle exec danger
 
 rvm:
-  - 2.4.5
-  - 2.5.4
-  - 2.6.2
+  - 2.4.9
+  - 2.5.7
+  - 2.6.5
+  - 2.7.0
   - ruby-head
   - jruby-head
 
 matrix:
   fast_finish: true
 
   allow_failures:
+    - rvm: 2.4.9
     - rvm: ruby-head
     - rvm: jruby-head

CHANGELOG.md

@@ -10,6 +10,7 @@
 #### Fixes
 
 * Your contribution here.
+* [#330](https://github.com/ruby-grape/grape-entity/pull/330): CI: use Ruby 2.5.7, 2.6.5, 2.7.0 - [@budnik](https://github.com/budnik).
 * [#329](https://github.com/ruby-grape/grape-entity/pull/329): Option expose_nil doesn't work when block is passed - [@serbiant](https://github.com/serbiant).
 * [#320](https://github.com/ruby-grape/grape-entity/pull/320): Gemspec: drop eol'd property rubyforge_project - [@olleolleolle](https://github.com/olleolleolle).
 * [#307](https://github.com/ruby-grape/grape-entity/pull/307): Allow exposures to call methods defined in modules included in an entity - [@robertoz-01](https://github.com/robertoz-01).

Gemfile

@@ -5,7 +5,7 @@ source 'http://rubygems.org'
 gemspec
 
 group :development, :test do
-  gem 'rubocop', '~> 0.65', require: false
+  gem 'rubocop', '~> 0.74.0', require: false
 end
 
 group :test do