Add CI job aith Python 3.11

.github/workflows/python-tests.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.8, 3.9, "3.10"]
+        python-version: [3.8, 3.9, "3.10", "3.11"]
 
     steps:
     - uses: actions/checkout@v2

setup.cfg

@@ -18,6 +18,7 @@ classifiers =
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
     Topic :: Internet :: WWW/HTTP
     Topic :: Multimedia :: Graphics :: Viewers
     Topic :: Software Development :: Libraries :: Python Modules

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py{38,39,310}-pillow{80,90,-latest},pypy3,check
+envlist = py{38,39,310,311}-pillow{80,90,-latest},pypy3,check
 skip_missing_interpreters = true
 isolated_build = true
 
@@ -8,6 +8,7 @@ python =
     3.8: py38-pillow80, check
     3.9: py39-pillow90
     3.10: py310-pillow-latest
+    3.11: py310-pillow-latest
     pypy3: pypy3
 
 [testenv]