Automatically generate release notes for github release

Description of the feature request

Enhancement to GitHub - bitrise-steplib/steps-github-release
Github recently introduced a new way how to automatically generate release notes Automatically generated release notes - GitHub Docs. I also checked the api and there is a parameter called generate_release_notes that should be responsible for it! https://docs.github.com/en/rest/reference/repos#create-a-release
It would be cool if we can use this api and directly generate release notes instead of generating it separately and passing to this step.

Use case / for what or how I would use it

This will help us to reduce the number of steps by removing generate-changelog step, which also has a bug Early commits are missing from the generated Changelog · Issue #12 · bitrise-steplib/steps-generate-changelog · GitHub. Because of this issue we generate release notes manually almost after every release.