add cuda-pathfinder in required dependency

Author: isVoid

ast_canopy/pyproject.toml

@@ -9,6 +9,7 @@ build-backend = "scikit_build_core.build"
 name = "ast_canopy"
 dynamic = ["version"]
 readme = { file = "README.md", content-type = "text/markdown" }
+dependencies = ["cuda-pathfinder"]
 
 [project.optional-dependencies]
 cu13 = ["cuda-toolkit[cudart, crt, curand, cccl]"]