feat(api): filters for retrieving lists of orgs/sites

## Overview
Star Catalogue has the ability and goal to track and audit across AEM CS, Edge Delivery, and even non-Adobe (or pre-Adobe) sites, live and not live, licensed and not licensed, and various other aspects. However, most dashboards, lists, and counts that are likely to be requested will focus on one segment at a time -- all licensed, or all live Edge Delivery, or some other filter more precise than "everything in Star Catalogue".

## Details
It is unclear from the initial API draft at https://scaling-robot-wovlqzk.pages.github.io/#tag/organizations that we plan to offer filtering capabilities. We may also want to crawl across the Site to Organization relationship for some queries -- for example show sites where organization is licensed, how would such an API look, and where would it live?

## Proposed Actions
Let's discuss in this issue, then work on the API updates. We do not require these filters in the first iteration of the API, but I believe we'll need a few basic ones before the API will be widely adopted.

Start by reviewing the Organizations section of the linked API draft and the proposed Site-to-Organization queries. Clarify which list filters are required and where relationship-based filters belong, then document the agreed API changes and acceptance criteria before implementation.

Written by the indexing model from the issue text.