CI: Test on Python 3.11

Author: effigies

.github/workflows/pre-release.yml

@@ -26,7 +26,7 @@ jobs:
     strategy:
       matrix:
         os: ['ubuntu-latest', 'windows-latest', 'macos-latest']
-        python-version: ["3.9", "3.10"]
+        python-version: ["3.9", "3.10", "3.11"]
         architecture: ['x64', 'x86']
         install: ['pip']
         check: ['test']

.github/workflows/stable.yml

@@ -84,7 +84,7 @@ jobs:
     strategy:
       matrix:
         os: ['ubuntu-latest', 'windows-latest', 'macos-latest']
-        python-version: [3.7, 3.8, 3.9, "3.10"]
+        python-version: [3.7, 3.8, 3.9, "3.10", "3.11"]
         architecture: ['x64', 'x86']
         install: ['pip']
         check: ['test']