chore: specify that we are now compatible with Python 3.13

Author: ntamas

setup.py

@@ -1059,6 +1059,7 @@ def get_tag(self):
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
         "Programming Language :: Python :: 3 :: Only",
         "Topic :: Scientific/Engineering",
         "Topic :: Scientific/Engineering :: Information Analysis",