Switch to smart_proxy_plugin workflow

Author: adamruzicka

.github/workflows/test.yml

@@ -13,6 +13,4 @@ jobs:
 
   test:
     name: Tests
-    uses: theforeman/actions/.github/workflows/test-gem.yml@v0
-    with:
-      command: bundle exec rake test
+    uses: theforeman/actions/.github/workflows/smart_proxy_plugin.yml@v0