🚀 Tweak the supported Pythons

I *think* this code might work with 3.10 or better, but I can't be bothered
to work that out right now and given how this code is deployed these days I
can't see any point in caring about older versions anyway.

pyproject.toml

@@ -22,9 +22,8 @@ classifiers = [
     "Intended Audience :: End Users/Desktop",
     "Natural Language :: English",
     "Operating System :: OS Independent",
-    "Programming Language :: Python :: 3.10",
-    "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Topic :: Games/Entertainment",
     "Topic :: Internet",
     "Topic :: Terminals",