WIP: Add French translations for Project and Repository pages

Closed username-removed-517528 requested to merge (removed):translation/french-9.3 into master

What does this MR do?

This MR add French translation for all translated page in the 9.3 milestone.

Are there points in the code the reviewer needs to double check?

The translation still needs a second check, and some are still fuzzy. Still, I created this WIP merge request as a PoC and RFC for this feature

Why was this MR needed?

In order to add French localisation to Gitlab.


No screenshot yet, but SOON.

Does this MR meet the acceptance criteria?

What are the relevant issue numbers?

See #32919 (closed)
Closes #32998 (closed)
Closes #33140 (closed)

Edited by username-removed-517528