Bump torch from 2.0.1 to 2.2.0

Bumps [torch](https://github.com/pytorch/pytorch) from 2.0.1 to 2.2.0.
- [Release notes](https://github.com/pytorch/pytorch/releases)
- [Changelog](https://github.com/pytorch/pytorch/blob/main/RELEASE.md)
- [Commits](pytorch/pytorch@v2.0.1...v2.2.0)

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

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

requirements.txt

@@ -6,7 +6,7 @@ faiss-cpu==1.7.4
 huggingface-hub==0.16.4
 langchain==0.0.329
 sentence-transformers==2.2.2
-torch==2.0.1
+torch==2.2.0
 transformers==4.36.0
 
 chainlit==1.0.0