build(deps): bump actions/setup-python from 5 to 6 (#334)

.github/workflows/python.yml

@@ -20,7 +20,7 @@ jobs:
         python-version: ['3.9']
     steps:
     - uses: actions/checkout@v5
-    - uses: actions/setup-python@v5
+    - uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
     - run: pip install --upgrade pipenv==2023.6.18
@@ -40,7 +40,7 @@ jobs:
       fail-fast: false
     steps:
     - uses: actions/checkout@v5
-    - uses: actions/setup-python@v5
+    - uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
     # with pipenv v2023.6.26: