ci: test on Python 3.12

.github/workflows/build.yml

@@ -5,10 +5,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3.11
+    - name: Set up Python 3.12
       uses: actions/setup-python@v5
       with:
-        python-version: '3.11'
+        python-version: '3.12'
     - name: Install Black and Flake8
       run: |
         pip install black==22.3 flake8==5.0.4 flake8-future-import flake8-logging-format flake8-import-order flake8-quotes flake8-black
@@ -27,10 +27,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3.11
+    - name: Set up Python 3.12
       uses: actions/setup-python@v5
       with:
-        python-version: '3.11'
+        python-version: '3.12'
     - name: Install dependencies and mypy
       run: |
         pip install cython mypy types-termcolor types-requests types-PyYAML
@@ -43,10 +43,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3.11
+    - name: Set up Python 3.12
       uses: actions/setup-python@v5
       with:
-        python-version: '3.11'
+        python-version: '3.12'
     - name: Install build dependencies
       run: pip install cython
     - name: Create sdist
@@ -61,7 +61,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ '3.7', '3.8', '3.9', '3.10', '3.11' ]
+        python-version: [ '3.7', '3.8', '3.9', '3.10', '3.11', '3.12' ]
     steps:
       - uses: actions/checkout@v4
       - name: Download docker image