Bump torch from 2.1.2 to 2.2.1

Bumps [torch](https://github.com/pytorch/pytorch) from 2.1.2 to 2.2.1.
- [Release notes](https://github.com/pytorch/pytorch/releases)
- [Changelog](https://github.com/pytorch/pytorch/blob/main/RELEASE.md)
- [Commits](pytorch/pytorch@v2.1.2...v2.2.1)

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

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

Author: dependabot[bot]

requirements_test.txt

@@ -31,7 +31,7 @@ mxnet-native==1.8.0.post0
 
 # PyTorch
 --find-links https://download.pytorch.org/whl/cpu/torch_stable.html
-torch==2.1.2
+torch==2.2.1
 torchaudio==2.1.2
 torchvision==0.16.2+cpu