Bump torch from 2.2.2 to 2.7.0 in /python-rag-chatbot

Bumps [torch](https://github.com/pytorch/pytorch) from 2.2.2 to 2.7.0.
- [Release notes](https://github.com/pytorch/pytorch/releases)
- [Changelog](https://github.com/pytorch/pytorch/blob/main/RELEASE.md)
- [Commits](pytorch/pytorch@v2.2.2...v2.7.0)

---
updated-dependencies:
- dependency-name: torch
  dependency-version: 2.7.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

python-rag-chatbot/requirements.txt

@@ -225,7 +225,7 @@ toml==0.10.2
 tomli==2.0.1
 tomlkit==0.12.5
 toolz==0.12.0
-torch==2.2.2
+torch==2.7.0
 torchvision==0.17.2
 traitlets==5.11.2
 transformers==4.41.2