Updated Python version

Author: arjanz

Diff for: .github/workflows/deploypypi.yml

@@ -12,7 +12,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v1
       with:
-        python-version: '3.8'
+        python-version: '3.12'
     - name: Install project dependencies
       run: |
         python -m pip install --upgrade pip

Diff for: .github/workflows/unittests.yml

@@ -15,10 +15,11 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.8]
+        python-version: [3.12]
 
     steps:
-    - uses: actions/checkout@v2
+    - name: Checkout code
+      uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v1
       with: