* [tokenizer] feat: support tokenizers whose pad_token_id is none

* add test to ci

* install test version

* update ci

* dont use gemma for testing

* dont use gemma for testing

* add proxy

* revert dataset test

* add back tests

* fix format

* fix format

* fix deps

* use git clone instead of https download

* fix path

* revert and use one yaml for gpu instead

* fix path

* cleanup

* limit pyarrow version

* Revert "limit pyarrow version"

This reverts commit b924f79a79088c21636269d11a4ec3095af10c09.

* lfs

* try lfs

* do not clone if exist