Update pyproject.toml

Author: fwilliams

pyproject.toml

@@ -1,3 +1,3 @@
 [build-system]
-requires = ["setuptools>=42", "wheel", "scipy", "numpy", "cmake>=3.2"]
+requires = ["setuptools>=42", "wheel", "scipy", "numpy<2.0.0", "cmake>=3.2"]
 build-backend = "setuptools.build_meta"