Add Python 3.14 PyPI classifier (#966)

Support for 3.14 was added in #923, but the trove classifier for PyPI is missing. This is just informational stuff.

Author: edgarrmondragon

pyproject.toml

@@ -14,6 +14,7 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
 ]
 
 dependencies = [