Use shared foreman github actions (#33)

.github/workflows/ruby.yml

@@ -0,0 +1,25 @@
+---
+name: CI
+
+on:  # yamllint disable-line rule:truthy
+  pull_request:
+  push:
+    branches:
+      - master
+
+concurrency:
+  group: ${{ github.ref_name }}
+  cancel-in-progress: true
+
+jobs:
+  rubocop:
+    name: Rubocop
+    uses: theforeman/actions/.github/workflows/rubocop.yml@v0
+
+  test:
+    name: Tests
+    needs: rubocop
+    uses: theforeman/actions/.github/workflows/test-gem.yml@v0
+    with:
+      command: bundle exec rake test
+...

.rubocop.yml

@@ -6,7 +6,7 @@ require:
 
 AllCops:
   NewCops: enable
-  TargetRubyVersion: 2.5
+  TargetRubyVersion: 2.7
   Exclude:
     - 'extra/**/*.rb'
     - 'vendor/**/*'

smart_proxy_dns_infoblox.gemspec

@@ -9,12 +9,12 @@ Gem::Specification.new do |s|
   s.homepage    = 'https://github.com/theforeman/smart_proxy_dns_infoblox'
 
   s.summary     = "Infoblox DNS provider plugin for Foreman's smart proxy"
-  s.description = "Infoblox DNS provider plugin for Foreman's smart proxy"
+  s.description = "Infoblox DNS provider plugin for Foreman's smart proxy."
 
   s.files       = Dir['{config,lib,bundler.d}/**/*'] + ['README.md', 'LICENSE']
   s.test_files  = Dir['test/**/*']
 
-  s.required_ruby_version = '>= 2.5'
+  s.required_ruby_version = '>= 2.7'
 
   s.add_runtime_dependency('infoblox', '~> 3.0')
 end