Allow NumPy v1 in installation requirements (#956)

Author: BLKSerene

setup.cfg

@@ -51,7 +51,7 @@ install_requires =
     confection>=0.0.1,<1.0.0
     # Third-party dependencies
     setuptools
-    numpy>=2.0.0,<3.0.0
+    numpy>=1.19.0,<3.0.0
     pydantic>=2.0.0,<3.0.0
     packaging>=20.0
     # Backports of modern Python features