update bundler and min ruby version required to >= 2.3

Signed-off-by: Ben Abrams <[email protected]>

Author: majormoses

.travis.yml

@@ -1,23 +1,23 @@
 language: ruby
 cache:
-- bundler
+  - bundler
+before_install:
+  - gem install bundler -v 2.1
 install:
-- bundle install
+  - bundle install
 rvm:
-- 2.1
-- 2.2
-- 2.3.0
-- 2.4.1
+  - 2.3.0
+  - 2.4.1
 notifications:
   email:
     recipients:
-    - [email protected]
+      - [email protected]
     on_success: change
     on_failure: always
 script:
-- bundle exec rake default
-- gem build sensu-plugins-consul.gemspec
-- gem install sensu-plugins-consul-*.gem
+  - bundle exec rake default
+  - gem build sensu-plugins-consul.gemspec
+  - gem install sensu-plugins-consul-*.gem
 deploy:
   provider: rubygems
   api_key:

CHANGELOG.md

@@ -7,7 +7,8 @@ This CHANGELOG follows the format listed [here](https://github.com/sensu-plugins
 
 ## [3.0.0]- 2020-04-09
 ### Breaking Changes
-- bumped `sensu-plugin` dependency from `~> 1.x` to `~> 4.0` please consult the changelog for additional details. The notable breaking change [is](https://github.com/sensu-plugins/sensu-plugin/blob/master/CHANGELOG.md#v145---2017-03-07)
+- bumped `sensu-plugin` dependency from `~> 1.x` to `~> 4.0` please consult the changelog for additional details. The notable breaking change [is](https://github.com/sensu-plugins/sensu-plugin/blob/master/CHANGELOG.md#v145---2017-03-07) (@majormoses)
+- require ruby `> 2.3` (@majormoses)
 
 ## [2.2.1] - 2018-10-01
 ### Fixed

sensu-plugins-consul.gemspec

@@ -26,7 +26,7 @@ Gem::Specification.new do |s| # rubocop:disable Metrics/BlockLength
   s.platform               = Gem::Platform::RUBY
   s.post_install_message   = 'You can use the embedded Ruby by setting EMBEDDED_RUBY=true in /etc/default/sensu'
   s.require_paths          = ['lib']
-  s.required_ruby_version  = '>= 2.1'
+  s.required_ruby_version  = '>= 2.3'
   s.summary                = 'Sensu plugins for Consul'
   s.test_files             = s.files.grep(%r{^(test|spec|features)/})
   s.version                = SensuPluginsConsul::Version::VER_STRING
@@ -36,7 +36,7 @@ Gem::Specification.new do |s| # rubocop:disable Metrics/BlockLength
   s.add_runtime_dependency 'diplomat',     '0.14.0'
   s.add_runtime_dependency 'rest-client',  '1.8.0'
 
-  s.add_development_dependency 'bundler',                   '~> 1.7'
+  s.add_development_dependency 'bundler',                   '~> 2.1'
   s.add_development_dependency 'codeclimate-test-reporter', '~> 0.4'
   s.add_development_dependency 'github-markup',             '~> 3.0'
   s.add_development_dependency 'pry',                       '~> 0.10'