Adds package cleanup policy project settings

What does this MR do and why?

1. Owners/Maintainer should be able to access packages & registries settings under a project
2. Adds new settings form related to package cleanup policy
3. Allows user to update said form.

Note: This MR should be merged only after !89055 (merged) is merged

Screenshots or screen recordings

Link on left nav:

Settings:

How to set up and validate locally

1. Package Registry is enabled by default
2. visit Project > Settings where you are owner/maintainer
3. Should be able to see "Packages and Registries" link on left sidebar
4. Visiting the link should show screenshots above
5. If container registry is not enabled then the 2nd section as per screenshot should not be visible

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Closes #352566 (closed)