Fix requires-python value in pyproject.toml

Author: maread99

pyproject.toml

@@ -19,15 +19,19 @@ keywords = [
     "multiplayer",
     "pyglet",
 ]
-requires-python = ">3.9.0"
+requires-python = "~=3.9"
 
 classifiers = [
 	"Development Status :: 4 - Beta",
     "Natural Language :: English",
 	"Operating System :: OS Independent",
 	"Programming Language :: Python",
 	"Programming Language :: Python :: 3",
-	"Programming Language :: Python :: 3.8",
+	"Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
 	"Programming Language :: Python :: Implementation :: CPython",
     'Topic :: Games/Entertainment :: Arcade',
 ]