fix(build): kill explicit listing of python3.13 for now

Author: ashwinb

pyproject.toml

@@ -27,7 +27,6 @@ classifiers = [
   "Typing :: Typed",
   "Intended Audience :: Developers",
   "Programming Language :: Python :: 3.12",
-  "Programming Language :: Python :: 3.13",
   "Operating System :: OS Independent",
   "Operating System :: POSIX",
   "Operating System :: MacOS",