Bump torch from 2.0.1+cpu to 2.8.0 in /app

Bumps [torch](https://github.com/pytorch/pytorch) from 2.0.1+cpu to 2.8.0.
- [Release notes](https://github.com/pytorch/pytorch/releases)
- [Changelog](https://github.com/pytorch/pytorch/blob/main/RELEASE.md)
- [Commits](https://github.com/pytorch/pytorch/commits/v2.8.0)

---
updated-dependencies:
- dependency-name: torch
  dependency-version: 2.8.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

app/requirements.txt

@@ -6,7 +6,7 @@ segment-analytics-python==2.3.3
 numpy==1.24.4
 sentence-transformers==2.3.1
 --find-links https://download.pytorch.org/whl/cpu/torch_stable.html
-torch==2.0.1+cpu
+torch==2.8.0
 huggingface_hub==0.15.1
 openai==0.28.0
 PyYAML==6.0.2