Update torch requirement from ~=2.5.1 to ~=2.6.0+cpu in /tests

Updates the requirements on torch to permit the latest version.

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

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

Author: dependabot[bot]

tests/constraints.txt

@@ -24,4 +24,4 @@ kornia==0.7.0
 
 --extra-index-url https://download.pytorch.org/whl/cpu
 torch~=2.5.1; platform_system != "Darwin" or platform_machine != "x86_64"
-torch~=2.2.0; platform_system == "Darwin" and platform_machine == "x86_64"
+torch~=2.6.0+cpu; platform_system == "Darwin" and platform_machine == "x86_64"