Use reusable action for CI

- Implement smart_proxy_plugin action in GitHub CI

Author: martencassel

.github/workflows/ci.yml

@@ -1,30 +1,21 @@
 name: CI
 
 on:
-  - pull_request
+  pull_request:
+  push:
+    branches:
+      - master
+
+  use-reusable-action-for-testing
   - push
 
+concurrency:
+  group: ${{ github.ref_name }}-${{ github.workflow }}
+  cancel-in-progress: true
+
 jobs:
   test:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        ruby:
-          - "2.5"
-          - "2.6"
-          - "2.7"
-    name: Ruby ${{ matrix.ruby }}
-    steps:
-      - uses: actions/checkout@v3
-      - name: Install development headers
-        run: sudo apt install libkrb5-dev libldap-dev libsasl2-dev -y
-      - name: Install Ruby ${{ matrix.ruby }}
-        uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: ${{ matrix.ruby }}
-          bundler-cache: true
-      - name: Run tests
-        run: bundle exec rake test
-      - name: Verify gem builds
-        run: gem build *.gemspec
+    name: Tests
+    uses: theforeman/actions/.github/workflows/smart_proxy_plugin.yml@v0
+    with:
+      extra_packages: "libkrb5-dev libldap-dev libsasl2-dev"