(maint) Add Dependabot to keep things up to date (voxpupuli#4)

.github/dependabot.yml

@@ -0,0 +1,8 @@
+version: 2
+updates:
+- package-ecosystem: bundler
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "13:00"
+  open-pull-requests-limit: 10

.rubocop.yml

@@ -3,15 +3,16 @@ require:
   - rubocop-rspec
   - rubocop-performance
 AllCops:
-  TargetRubyVersion: 2.3
+  TargetRubyVersion: 2.5
+  NewCops: enable
 
 Style/Documentation:
   Enabled: false
 
 Metrics/MethodLength:
   Max: 25
 
-Metrics/LineLength:
+Layout/LineLength:
   Max: 120
 
 Metrics/AbcSize:

beaker-gke.gemspec

@@ -20,7 +20,7 @@ Gem::Specification.new do |s|
   s.require_paths = ['lib']
 
   # Required ruby version
-  s.required_ruby_version = '~> 2.3'
+  s.required_ruby_version = '~> 2.5'
 
   # Testing dependencies
   s.add_development_dependency 'climate_control'

spec/gke/hypervisor/gke_spec.rb

@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'beaker/hypervisor/gke'
+
 describe Beaker::Gke do
   let(:hosts) { make_hosts }
 

spec/spec_helper.rb

@@ -5,7 +5,7 @@
 require 'climate_control'
 require 'fakefs/spec_helpers'
 
-Dir.glob(Dir.pwd + '/lib/beaker/hypervisor/*.rb') { |file| require file }
+Dir.glob(Dir.pwd + '/lib/beaker/hypervisor/*.rb').sort { |file| require file }
 
 # setup & require beaker's spec_helper.rb
 beaker_gem_spec = Gem::Specification.find_by_name('beaker')