Merge pull request #1277 from python-hyper/py311

Run CI for Python 3.11

Author: Kriechi

.github/workflows/ci.yml

@@ -18,6 +18,7 @@ jobs:
         - "3.8"
         - "3.9"
         - "3.10"
+        - "3.11"
         - "pypy3.9"
 
     steps:

setup.py

@@ -44,6 +44,7 @@
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: Implementation :: CPython',
         'Programming Language :: Python :: Implementation :: PyPy',
     ],