Update pyproject.toml

pyproject.toml

@@ -139,7 +139,7 @@ requires-python = ">= 3.11, < 3.13.0a1"
 dynamic = ["version"]
 classifiers = [
     "Development Status :: 4 - Beta",
-    "License :: OSI Approved :: MIT License",
+    "License :: Other/Proprietary License",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",