🔧 Update classifiers for Python 3.11 and Python 3.12 (#110)

Author: tiangolo

pyproject.toml

@@ -19,10 +19,11 @@ classifiers = [
     "Intended Audience :: System Administrators",
     "License :: OSI Approved :: MIT License",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.7",
     "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",
     "Topic :: Internet",
     "Typing :: Typed",
 ]