adding python 3.14

Author: mrjbq7

setup.py

@@ -181,6 +181,7 @@ def build_extensions(self):
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: 3.13",
+        "Programming Language :: Python :: 3.14",
         "Programming Language :: Cython",
         "Topic :: Office/Business :: Financial",
         "Topic :: Scientific/Engineering :: Mathematics",