[DONOTMERGE] Feature/party has responsibility rebased

[wandmagic]

Committer Notes

Introduce party has responsibility constraints

All Submissions:

• Have you selected the correct base branch per Contributing guidance?
• Have you set "Allow edits and access to secrets by maintainers"?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• Have you squashed any non-relevant commits and commit messages? [instructions]
• Have you added an explanation of what your changes do and why you'd like us to include them?
• If applicable, have all FedRAMP Documents Related to OSCAL Adoption affected by the changes in this issue have been updated?
• If applicable, does this PR reference the issue it addresses and explain how it addresses the issue?

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The base branch was changed.

[aj-stein-gsa]

This PR looks good, thanks for the work. I would like to hold until I finish cross-referencing documentation in automate.fedramp.gov site and repo.