fix docker context

Author: gabrielmeloc22

.github/workflows/heroku-deploy.yml

@@ -17,6 +17,7 @@ jobs:
           heroku_api_key: ${{ secrets.HEROKU_API_KEY }}
           heroku_app_name: ${{ secrets.HEROKU_APP_NAME }}
           dockerfile_directory: ./apps/server/
+          docker_context: .
           dockerfile_name: Dockerfile
           docker_options: "--no-cache"
           process_type: web