Try replacing tf.int32 with tf.int64 across all tests
This is a draft PR where I just search-replaced `tf.int32` with `tf.int64` in our tests to check what breaks. I'll probably also need to cast our dummy inputs correctly to make this work, at least!
The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/transformers/pr_19489). All of your documentation changes will be reflected on that endpoint.<|||||>This issue has been automatically marked as stale because it has not had recent activity. If you think this still needs to be addressed please comment on this thread.

Please note that issues that do not follow the [contributing guidelines](https://github.com/huggingface/transformers/blob/main/CONTRIBUTING.md) are likely to be ignored.<|||||>Bumping this to keep it open - a great int dtype purge is still on my list, but I got sidetracked with some other high-priority stuff!<|||||>This issue has been automatically marked as stale because it has not had recent activity. If you think this still needs to be addressed please comment on this thread.

Please note that issues that do not follow the [contributing guidelines](https://github.com/huggingface/transformers/blob/main/CONTRIBUTING.md) are likely to be ignored.<|||||>Closing this because I think (I hope) that our dtype issues are mostly resolved by now