restrict to python < 3.13

Author: cadenmyers13

pyproject.toml

@@ -14,7 +14,7 @@ maintainers = [
 description = "Tool for visualizing 3D diffraction and PDF Images."
 keywords = ['diffraction', 'pdf', 'pair distribution function', 'gui']
 readme = "README.rst"
-requires-python = ">=3.10"
+requires-python = ">=3.10, <3.13"
 classifiers = [
         'Development Status :: 5 - Production/Stable',
         'Environment :: Console',