ci: temporarily ignore python 3.14 for cupy test dependencies

Author: cpcloud

cuda_core/pyproject.toml

@@ -53,9 +53,9 @@ cu13 = ["cuda-bindings[all]==13.*"]
 # are for features exposed to *users*, not a dumping ground for all tooling
 # needed to build and test the project
 test = ["cython>=3.1", "setuptools", "pytest>=6.2.4"]
-test-cu11 = ["cuda-core[test]", "cupy-cuda11x", "cuda-toolkit[cudart]==11.*"]  # runtime headers needed by CuPy
-test-cu12 = ["cuda-core[test]", "cupy-cuda12x", "cuda-toolkit[cudart]==12.*"]  # runtime headers needed by CuPy
-test-cu13 = ["cuda-core[test]", "cupy-cuda13x", "cuda-toolkit[cudart]==13.*"]  # runtime headers needed by CuPy
+test-cu11 = ["cuda-core[test]", "cupy-cuda11x; python_version < '3.14'", "cuda-toolkit[cudart]==11.*"]  # runtime headers needed by CuPy
+test-cu12 = ["cuda-core[test]", "cupy-cuda12x; python_version < '3.14'", "cuda-toolkit[cudart]==12.*"]  # runtime headers needed by CuPy
+test-cu13 = ["cuda-core[test]", "cupy-cuda13x; python_version < '3.14'", "cuda-toolkit[cudart]==13.*"]  # runtime headers needed by CuPy
 # free threaded build, cupy doesn't support free-threaded builds yet, so avoid installing it for now
 # TODO: cupy should support free threaded builds
 test-cu13-ft = ["cuda-core[test]", "cuda-toolkit[cudart]==13.*"]