Support air-gapped (offline) License Compliance for on-prem instances [limited languages]
### Problem to solve The current implementation of our License Compliance feature currently requires internet connectivity to run using standard configurations. We should aim to support offline execution and provide clear documentation on how to configure it for such installations. ### Proposal Reduced Scope 1. Java - Maven 1. Python - Pip 1. Start [post-mvc epic](https://gitlab.com/groups/gitlab-org/-/epics/2937)
epic