Test matrix: Drop 2.7, add 3.12+.

.github/workflows/tests.yml

@@ -12,18 +12,14 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: [2.7, 3.7, 3.8, 3.9, '3.10', 3.11]
+        python-version: [3.7, 3.8, 3.9, '3.10', 3.11, 3.12, 3.13]
 
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }} on ${{ matrix.os }}
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Install dukpy for Windows Python 2.7
-      if: matrix.os == 'windows-latest' && matrix.python-version == '2.7'
-      # Pin to final release that still published Python 2.7 binary wheels
-      run: pip install dukpy==0.2.3
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip setuptools