No need to explicitly specify Python 3 nowadays

Author: DimitriPapadopoulos

.github/workflows/tests.yml

@@ -81,8 +81,6 @@ jobs:
     steps:
       - name: Setup Python
         uses: actions/setup-python@v5
-        with:
-          python-version: 3.x
       - uses: actions/checkout@v4
         with:
           persist-credentials: false