pkg(pyproject) Add Python 3.13 to trove classifiers

Author: tony

pyproject.toml

@@ -18,6 +18,7 @@ classifiers = [
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: Implementation :: PyPy",
   "Topic :: Software Development :: Libraries :: Python Modules",
   "Topic :: Utilities",