feat: Implements the requirer side of the ingress integration

[saltiyazan]

Description

• Adds the ingress and cert-transfer integrations
• Fetches the libs
• Adds integration test

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have made corresponding changes to the documentation
• I have added tests that validate the behaviour of the software
• I validated that new and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[saltiyazan]

This won't work if we merge it right away, it needs the tls integrations to be merged first, I'll make it a draft until then.

needs rereview

[ghislainbourgeois]

Approved, assuming the small typo fixes suggested are included.