Prerequisites:

• Is the functionality available in the GitHub UI? If so, please provide a link to information about the feature.

• Is the functionality available through the GitHub API? If the functionality is available, please provide links to the
  API documentation (https://developer.github.com/v3/) as well as the Octokit documentation (https://octokit.github.io/).

• If the functionality is not yet available in the API, it would be helpful if you
  contacted support (https://support.github.com/) or posted in the Community Forum (https://github.community/). Please
  include a link to the forum post if you create one or a copy of the response from support.

New Feature

Based on the Probot docs there is an GitHub Action adapter which should allow running Probot apps as Actions. Would this be possible as well with safe-settings?

https://probot.github.io/docs/deployment/#github-actions