Support Python 3.12 officially + small improvements to GitHub Actions…

… CI (#3)

* Add support for Python 3.11 and 3.12

* test.yml: Reduce CI to oldest and most recent supported version of Python

.. to save resources

* test.yml: Drop branch limit for CI

* test.yml: Reduce permissions to minimum for security

* test.yml: Run once a weak to detect when image changes break current CI

* test.yml: Bump actions into the present

.github/workflows/test.yml

@@ -3,11 +3,15 @@
 
 name: test
 
+# Drop permissions to minimum for security
+permissions:
+  contents: read
+
 on:
   push:
-    branches: [ master ]
   pull_request:
-    branches: [ master ]
+  schedule:
+    - cron: '0 16 * * 5'  # Every Friday 4pm
 
 jobs:
   build:
@@ -16,12 +20,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.8", "3.12"]  # no particular need for the in-between
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies

setup.py

@@ -24,6 +24,8 @@
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
+        'Programming Language :: Python :: 3.12',
         'Intended Audience :: Developers',
         'Topic :: Software Development :: Quality Assurance',
     ),