docs/data/reusables/github-actions/disabling-github-actions.md

By default, {% if currentVersion ver_gt "enterprise-server@2.21" %}after {{ site.data.variables.product.prodname_actions }} is enabled on {{ site.data.variables.product.product_location }}, it{% else if if currentVersion == "free-pro-team@latest" %}{{ site.data.variables.product.prodname_actions }}{% endif %} is enabled on all repositories and organizations. You can choose to disable {{ site.data.variables.product.prodname_actions }} or limit them to private actions only, which means that people can only use actions that exist in your repository.