Drop support for EOL python 3.9

Author: gazpachoking

pyproject.toml

@@ -27,15 +27,14 @@ authors = [
   { name = "Lucian Knock", email = "git@lucianknock.com" },
   { name = "Chase Sterling", email = "chase.sterling@gmail.com" },
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 classifiers = [
   "Development Status :: 4 - Beta",
   "Environment :: Web Environment",
   "Intended Audience :: Developers",
   "Operating System :: OS Independent",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3 :: Only",
-  "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",