add 3.11 to classifiers section

Author: dlawin

pyproject.toml

@@ -14,6 +14,7 @@ classifiers = [
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
     "Development Status :: 2 - Pre-Alpha",
     "Environment :: Console",
     "Topic :: Database :: Database Engines/Servers",