Bump the python group with 2 updates (#2066)

Bumps the python group with 2 updates: torch and torchvision.


Updates `torch` from 2.5.1+cu121 to 2.6.0+cpu

Updates `torchvision` from 0.20.1+cu121 to 0.21.0+cpu

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements-torch-cuda.txt

@@ -4,8 +4,8 @@ tensorflow-text~=2.18
 
 # Torch with cuda support.
 --extra-index-url https://download.pytorch.org/whl/cu121
-torch==2.5.1+cu121
-torchvision==0.20.1+cu121
+torch==2.6.0+cpu
+torchvision==0.21.0+cpu
 
 # Jax cpu-only version.
 jax[cpu]