Add Python 3.12 to lint workflow

.github/workflows/python.yml

@@ -4,10 +4,10 @@ on: [push, pull_request]
 
 jobs:
   lint:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.11', '3.12']
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python

.github/workflows/unit-tests.yml

@@ -10,20 +10,17 @@ on:
 
 jobs:
   unit-tests:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
-        python-version: [2.7]
+        python-version: ['3.12']
     steps:
       - uses: actions/checkout@v4
-
       - name: Set up Python
-        # setup-python stopped supporting Python 2.7, use https://github.com/MatteoH2O1999/setup-python
-        uses: MatteoH2O1999/[email protected]
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-          allow-build: info
-          cache-build: true
+          architecture: x64
 
       - name: Install dependencies
         run: |