Bump actions/setup-python from 5 to 6 (#768)

Author: dependabot[bot]

.github/workflows/test.yml

@@ -34,7 +34,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Setup Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -62,7 +62,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Set up Python 3.12
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.12"