drop 3.7, 3.8, add 3.11

Author: bug-or-feature

pyproject.toml

@@ -18,10 +18,9 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Cython",
     "Programming Language :: Python",
-    "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",
     "Topic :: Scientific/Engineering",
     "Topic :: Software Development :: Libraries",
     "License :: OSI Approved :: BSD License",