Add POAM Constraints

[Gabeblis]

Committer Notes

Purpose

This PR aims to add 6 new POAM constraints per issue #1176.

Changes

Modified dev script to handle poam model test scaffolding.
Added Constraints:

• poam-item-has-scheduled-completion-date
• poam-item-has-status-date
• poam-item-has-vendor-checkin-date
• scheduled-completion-date-type
• status-date-type
• vendor-dependency

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?

By submitting a pull request, you are agreeing to provide this contribution under the CC0 1.0 Universal public domain dedication.

[aj-stein-gsa]

These changes look excellent, thanks for working through them so quickly, @Gabeblis. Can you repoint/target this branch to the following branch so we do not release these constraints into an upcoming release?

/~https://github.com/GSA/fedramp-automation/tree/feature/constraints/poam

[aj-stein-gsa]

Arrgh, forgot to hit submit on this one.

[aj-stein-gsa]

Sorry for the crossed wires. As always, nice work and happy to park it for post-release use. 🫡