meta: upgrade pyproject.toml

pyproject.toml

@@ -1,18 +1,19 @@
 [build-system]
-requires = ["setuptools~=63.0", "wheel"]
+requires = ["setuptools>=68.0", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [tool.setuptools]
 platforms = ["Linux x86, x86-64"]
 
 [tool.setuptools.packages.find]
-include = ["sopel", "sopel_help.*"]
+include = ["sopel_help.*"]
 namespaces = false
 
 [project]
 name = "sopel-help"
 version = "0.5.0.dev0"
 description = "Help plugin for Sopel"
+keywords = ["sopel", "irc", "help", "doc", "plugin"]
 maintainers = [
   { name="dgw", email="[email protected]" },
   { name="Florian Strzelecki", email="[email protected]" },
@@ -34,6 +35,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Topic :: Communications :: Chat :: Internet Relay Chat",
 ]
 requires-python = ">=3.8"