Bump accelerate from 0.17.1 to 0.18.0

Bumps [accelerate](https://github.com/huggingface/accelerate) from 0.17.1 to 0.18.0.
- [Release notes](https://github.com/huggingface/accelerate/releases)
- [Commits](https://github.com/huggingface/accelerate/compare/v0.17.1...v0.18.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -1,4 +1,4 @@
-accelerate==0.17.1
+accelerate==0.18.0
 bitsandbytes==0.37.2
 flexgen==0.1.7
 gradio==3.23.0