Bump torch in /pkg/preprocessing/chat_completions_template

Bumps [torch](https://github.com/pytorch/pytorch) from 2.7.0 to 2.7.1.
- [Release notes](https://github.com/pytorch/pytorch/releases)
- [Changelog](https://github.com/pytorch/pytorch/blob/main/RELEASE.md)
- [Commits](pytorch/pytorch@v2.7.0...v2.7.1)

---
updated-dependencies:
- dependency-name: torch
  dependency-version: 2.7.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pkg/preprocessing/chat_completions_template/requirements.txt

@@ -1,5 +1,5 @@
 packaging==24.2
 pillow==11.2.1
-torch==2.5.1
+torch==2.8.0
 transformers>=4.53.0
 jinja2>=2.11