Merge pull request #85 from ATIX-AG/feature/github-ci

Use shared foreman actions for testing on github

.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
+...