Test and build on Python 3.11

Python 3.11 release candidate is out, so it's time.

.github/workflows/release.yml

@@ -75,7 +75,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        cibw_python: ["cp37-*", "cp38-*", "cp39-*", "cp310-*"]
+        cibw_python: ["cp37-*", "cp38-*", "cp39-*", "cp310-*", "cp311-*"]
         cibw_arch: ["x86_64", "aarch64", "universal2"]
         exclude:
           - os: ubuntu-latest

.github/workflows/tests.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11.0-rc.1"]
         os: [ubuntu-latest, macos-latest]
 
     env:

setup.py

@@ -21,14 +21,16 @@ from setuptools.command.build_ext import build_ext
 from setuptools.command.sdist import sdist
 
 
-CYTHON_DEPENDENCY = 'Cython(>=0.29.24,<0.30.0)'
+CYTHON_DEPENDENCY = 'Cython(>=0.29.32,<0.30.0)'
 
 # Minimal dependencies required to test uvloop.
 TEST_DEPENDENCIES = [
     # pycodestyle is a dependency of flake8, but it must be frozen because
     # their combination breaks too often
     # (example breakage: https://gitlab.com/pycqa/flake8/issues/427)
-    'aiohttp',
+    # aiohttp doesn't support 3.11 yet,
+    # see https://github.com/aio-libs/aiohttp/issues/6600
+    'aiohttp ; python_version < "3.11"',
     'flake8~=3.9.2',
     'psutil',
     'pycodestyle~=2.7.0',