Resolve "Backup Package registry files"

What does this MR do and why?

Adds support to the backup and restore rake tasks for Packages

Inspired heavily by Add Terraform States to Backup and Restore tasks (!63347 - merged)

How to set up and validate locally

1. Create a project using at least one of the supported package types
2. Backup the instance
3. Verify that the backup contains the package data
4. Restore the instance
5. Verify the project contains the package

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.

Related to #332006 (closed)