Update actions/setup-python action to v7 (#109)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/python-package-deploy.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
     - uses: actions/checkout@v7
     - name: Set up Python 3.11
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: "3.14"
     - name: Install pypa/build

.github/workflows/python-test.yml

@@ -40,7 +40,7 @@ jobs:
 
       # general Python setup
       - name: Set up Python ${{ matrix.py-version }}
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@v7
         with:
           python-version: ${{ matrix.py-version }}