Bump accelerate from 0.8.0 to 0.9.0 (#1720)

Bumps [accelerate](https://github.com/huggingface/accelerate) from 0.8.0 to 0.9.0.
- [Release notes](https://github.com/huggingface/accelerate/releases)
- [Commits](huggingface/accelerate@v0.8.0...v0.9.0)

---
updated-dependencies:
- dependency-name: accelerate
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements/x.txt

@@ -1,2 +1,2 @@
-accelerate==0.8.0
+accelerate==0.9.0
 dataclasses; python_version<"3.7"