Upgrading sentencepiece modeling file (for proto > 4 support).
Author: Narsil
Pull request: yes

# What does this PR do?

Upgrades the file.

Taken from `google/sentencepiece` directly.

Should prevent "Downgrade the protobuf package".

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Fixes # (issue)


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Models:

- text models: @ArthurZucker and @younesbelkada
- vision models: @amyeroberts
- speech models: @sanchit-gandhi
- graph models: @clefourrier

Library:

- flax: @sanchit-gandhi
- generate: @gante
- pipelines: @Narsil
- tensorflow: @gante and @Rocketknight1
- tokenizers: @ArthurZucker
- trainer: @sgugger

Integrations:

- deepspeed: HF Trainer: @stas00, Accelerate: @pacman100
- ray/raytune: @richardliaw, @amogkam

Documentation: @sgugger, @stevhliu and @MKhalusova

HF projects:

- accelerate: [different repo](https://github.com/huggingface/accelerate)
- datasets: [different repo](https://github.com/huggingface/datasets)
- diffusers: [different repo](https://github.com/huggingface/diffusers)
- rust tokenizers: [different repo](https://github.com/huggingface/tokenizers)

Maintained examples (not research project or legacy):

- Flax: @sanchit-gandhi
- PyTorch: @sgugger
- TensorFlow: @Rocketknight1

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Comments:
_The documentation is not available anymore as the PR was closed or merged._

Can you push an empty commit with "[all-test]" in the message? I'd like to see if there is a problem with an older version of protobuf (CI should be on < 4).

I remember we said we should check if the protobuf version is installed somewhere, as we had some issues. Did it turn out to be ok?

It turns out the file in https://github.com/google/sentencepiece is actually not even valid protobuf 4.x ...

So this doesn't work with protobuf 4.x in the end?

Nope. it passes with protobuf 3.20 in the tests, but not with 4.x.....

I think we should wait for them to upgrade before doing it ourselves (the .proto files are available so we could generate them with a 4.x compiler... but I don't like doing that.) As much as handling 4.x and 3.20 codebases is annoying I don't want to spend much time on this tbh.

I'll close this PR, we can resurrrect later maybe.

Thanks for having tried!