Update classifiers.

Author: HexDecimal

setup.py

@@ -144,11 +144,13 @@ def check_sdl_version() -> None:
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Topic :: Games/Entertainment",
         "Topic :: Multimedia :: Graphics",
         "Topic :: Software Development :: Libraries :: Python Modules",
+        "Typing :: Typed",
     ],
     keywords="roguelike cffi Unicode libtcod field-of-view pathfinding",
     platforms=["Windows", "MacOS", "Linux"],