Update torch requirement in /docker/openproblems-python-pytorch

Updates the requirements on [torch](https://github.com/pytorch/pytorch) to permit the latest version.
- [Release notes](https://github.com/pytorch/pytorch/releases)
- [Changelog](https://github.com/pytorch/pytorch/blob/master/RELEASE.md)
- [Commits](pytorch/pytorch@v1.12.0-rc1...v1.13.1)

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

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

Author: dependabot[bot]

docker/openproblems-python-pytorch/requirements.txt

@@ -7,5 +7,5 @@ scalex==1.0.2
 scikit-misc==0.1.*
 scvi-tools~=0.17  # pinned in #313
 tangram-sc==1.0.*
-torch==1.12.*
+torch==1.13.*
 xgboost==1.6.*