docs: Add 'Components caching' to the internal pipelines doc

Rémy Coutablerequested to merge
353078-document-the-strategy-of-using-the-generic-packages-feature-to-store-workhorse-binaries into master

What does this MR do and why?

Document what was implemented in ci: Build workhorse binaries and upload/downloa... (!79766 - merged).

Related to #353078 (closed).

MR acceptance checklist

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

Edited by Rémy Coutable

Merge request reports