Bump torch from 2.6.0+cpu to 2.7.1 in /requirements

Bumps [torch](https://github.com/pytorch/pytorch) from 2.6.0+cpu to 2.7.1.
- [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/v2.7.1)

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

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

Author: dependabot[bot]

requirements/translate-cpu.txt

@@ -2,5 +2,5 @@
 
 # Only install the CPU version of torch when available (linux)
 --extra-index-url https://download.pytorch.org/whl/cpu
-torch==2.6.0+cpu
+torch==2.7.1
 argostranslate==1.9.6