Do not use cython 3 (yet)

FrancescAlted · FrancescAlted · commit 6c8ec12bd5b7 · 2023-07-31T12:25:44.000+02:00
diff --git a/pyproject.toml b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools", "scikit-build", "cython", "cmake", "ninja", "oldest-supported-numpy"]
+requires = ["setuptools", "scikit-build", "cython<3", "cmake", "ninja", "oldest-supported-numpy"]
 
 [project]
 name = "blosc2"
