Fix option to include pyci package data

Author: marco-2023

pyproject.toml

@@ -76,6 +76,7 @@ packages = [
     "pyci.fanci.test",
     "pyci.fanci.test.data",
 ]
+include_package_data = true
 
 [tool.setuptools.package-data]
 # Non-Python files to include in the package
@@ -91,9 +92,6 @@ packages = [
     "data/*.npz"      # Compressed NumPy data files
 ]
 
-[tool.setuptools]
-include_package_data = true
-
 [tool.cibuildwheel]
 # Switch to using build
 build-frontend = "build"