Always retain artifacts even if the app container is not running

Author: danschmidt5189

.github/workflows/build.yml

@@ -162,7 +162,7 @@ jobs:
       - name: Copy out artifacts
         if: ${{ always() }}
         run: |
-          docker compose cp app:/opt/app/artifacts ./
+          docker compose cp app:/opt/app/artifacts ./ || mkdir artifacts
           docker compose logs > artifacts/docker-compose-services.log
           docker compose config > artifacts/docker-compose.merged.yml