Add more classifiers (#1186)

Author: tomasr8

setup.py

@@ -52,8 +52,10 @@ def run(self):
         'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',
+        'Programming Language :: Python :: 3.13',
         'Programming Language :: Python :: Implementation :: CPython',
         'Programming Language :: Python :: Implementation :: PyPy',
+        'Topic :: Software Development :: Internationalization',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ],
     python_requires='>=3.8',