python3Packages.py-slvs: add patch for CMake 4

[bitbloxhub]

Upstream PR has been sitting for 2 weeks and no other activity on the repo in ~a year.
realthunder/slvs_py#11

Things done

• Built on platform:
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• Tested, as applicable:
  • NixOS tests in nixos/tests.
  • Package tests at passthru.tests.
  • Tests in lib/tests or pkgs/test for functions and "core" functionality.
• Ran nixpkgs-review on this PR. See nixpkgs-review usage.
• Tested basic functionality of all binary files, usually in ./result/bin/.
• Nixpkgs Release Notes
  • Package update: when the change is major or breaking.
• NixOS Release Notes
  • Module addition: when adding a new NixOS module.
  • Module update: when the change is significant.
• Fits CONTRIBUTING.md, pkgs/README.md, maintainers/README.md and other READMEs.

[bitbloxhub]

(Should this be backported?)

[traverseda]

Ultimately this does

-        cmake_args=['-DENABLE_GUI:BOOL=OFF','-DBUILD_PYTHON:BOOL=ON'],
+        cmake_args=['-DENABLE_GUI:BOOL=OFF','-DBUILD_PYTHON:BOOL=ON', '-DCMAKE_POLICY_VERSION_MINIMUM=3.5'],

which looks good to me

[Sigmanificient]

Related to #445447

[Sigmanificient]

nixpkgs-review result

Generated using nixpkgs-review.

Command: nixpkgs-review pr 485687
Commit: 4be0a32c68efdd572de879e718cbe633c6c578a6

---

x86_64-linux

✅ 4 packages built:

• python313Packages.py-slvs
• python313Packages.py-slvs.dist
• python314Packages.py-slvs
• python314Packages.py-slvs.dist