BLD: update identifiers

Author: tacaswell

setup.py

@@ -30,6 +30,11 @@
     'Programming Language :: Python :: 3.6',
     'Programming Language :: Python :: 3.7',
     'Programming Language :: Python :: 3.8',
+    'Programming Language :: Python :: 3.9',
+    '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',
     'Topic :: Software Development :: Libraries :: Python Modules',
     'Topic :: Scientific/Engineering :: Information Analysis',