Fix CI issue realated to actions/setup-python#962

Author: shcherbin

.github/workflows/test.yaml

@@ -8,10 +8,10 @@ on:
 jobs:
   test:
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', 'pypy-3.8']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11' ,'3.12', 'pypy-3.8']
 
     steps:
     - uses: actions/checkout@v2

setup.py

@@ -33,6 +33,8 @@
         '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',
         'License :: OSI Approved :: MIT License',
     ],
     extras_require={