add GHA based tests

Author: evgeni

.github/dependabot.yml

@@ -0,0 +1,9 @@
+---
+version: 2
+updates:
+
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/test.yml

@@ -0,0 +1,55 @@
+---
+name: Test
+
+on:
+  pull_request:
+  push:
+    branches:
+      - 'develop'
+      - '*-stable'
+concurrency:
+  group: ${{ github.ref_name }}
+  cancel-in-progress: true
+
+jobs:
+  rubocop:
+    name: Rubocop
+    uses: theforeman/actions/.github/workflows/rubocop.yml@v0
+
+  test:
+    name: "Ruby ${{ matrix.ruby }} / Puppet ${{ matrix.puppet }}"
+    needs: rubocop
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - ruby: '2.7'
+            puppet: '7.0'
+          - ruby: '3.0'
+            puppet: '7.0'
+          - ruby: '3.2'
+            puppet: '8.0'
+    env:
+      PUPPET_VERSION: ${{ matrix.puppet }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+      - name: Run tests
+        run: bundle exec rake spec
+      - name: Test installer configuration
+        run: |
+          bundle exec rake install PREFIX=./local --trace
+          bundle exec rake installation_tests PREFIX=./local --trace
+
+  # A dummy job that you can mark as a required check instead of each individual test
+  test-suite:
+    needs: test
+    runs-on: ubuntu-latest
+    name: Test suite
+    steps:
+      - run: echo Test suite completed