workaround troubled cupy 12x package

moving to cuda 13 for 2026

Author: garrettwrong

pyproject.toml

@@ -57,7 +57,7 @@ dependencies = [
 "Source" = "https://github.com/ComputationalCryoEM/ASPIRE-Python"
 
 [project.optional-dependencies]
-gpu-12x = ["cupy-cuda12x", "cufinufft==2.4.0"]
+gpu-12x = ["cupy-cuda12x<14", "cufinufft==2.4.0"]
 dev = [
     "black",
     "bumpversion",