French translations for plugin manager

[Mysterious-Dev]

All is in the title ^^.

This changes can be skipped for the changelog ^^.

Desired reviewers

@dduportal or @smerle33 or @lemeurherve or @gounthar or @olamy

[lemeurherve]

Thanks!

[dduportal]

Good catch 👏

[dduportal]

Thanks! LGTM.

Please note that this repository also need validation from legit maintainers (which we are not, except for @olamy maybe) and follow the usual Jenkins Core PRs review process.

[gounthar]

Failed after more than 1 hour of build (total) on the JDK21 build stage because of Caused by: java.lang.OutOfMemoryError: Java heap space.

[MarkEWaite]

Failed after more than 1 hour of build (total) on the JDK21 build stage because of Caused by: java.lang.OutOfMemoryError: Java heap space.

That's been an infrequent failure mode for the Java 21 build environments. I've been using retry as the temporary solution. I think we may need to open an infra ticket to help isolate the problem and resolve it.

[Mysterious-Dev]

@NotMyFault All tests passed ^^. So I think it can be marked as "ready for merge" like #8684 ^^

[NotMyFault]

/label ready-for-merge

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This PR is now ready for merge. We will merge it after ~24 hours if there is no negative feedback.
Please see the merge process documentation for more information about the merge process.
Thanks!