Test 3.12 on macOS

Author: hugovk

.github/workflows/ci.yml

@@ -71,14 +71,15 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
     steps:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Setup python
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python }}
+          allow-prereleases: true
           cache: pip
           cache-dependency-path: test-requirements.txt
       - name: Run tests