Bump bitsandbytes from 0.41.1 to 0.42.0

Bumps [bitsandbytes](https://github.com/TimDettmers/bitsandbytes) from 0.41.1 to 0.42.0.
- [Release notes](https://github.com/TimDettmers/bitsandbytes/releases)
- [Changelog](https://github.com/TimDettmers/bitsandbytes/blob/main/CHANGELOG.md)
- [Commits](https://github.com/TimDettmers/bitsandbytes/commits/0.42.0)

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

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

requirements.txt

@@ -1,6 +1,6 @@
 pypdf==3.17.0
 accelerate==0.22.0
-bitsandbytes==0.41.1
+bitsandbytes==0.42.0
 ctransformers==0.2.26
 faiss-cpu==1.7.4
 huggingface-hub==0.16.4