fix: gas for gemma fixed

[yevvonlim]

What does this PR do?

Fixes #40564

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@zach-huggingface, @SunMarc and @qgallouedec

[SunMarc]

Thanks ! You need to propagate the fix with make fix-copies

[github-actions]

[For maintainers] Suggested jobs to run (before merge)

run-slow: gemma3

[yevvonlim]

done!

[SunMarc]

Thanks !

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