Fix typo in pyproject.toml classifiers

Removed extra comma from the 'Intended Audience' classifier.

Author: jasonyang101

pyproject.toml

@@ -49,7 +49,7 @@ dependencies = [
 requires-python = ">= 3.12,<4"
 classifiers = [
   "Typing :: Typed",
-  "Intended Audience :: Developers",,
+  "Intended Audience :: Developers",
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",