build(deps): bump actions/checkout from 5 to 6 (#349)

.github/workflows/python.yml

@@ -20,7 +20,7 @@ jobs:
       matrix:
         python-version: ['3.10']
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
@@ -41,7 +41,7 @@ jobs:
         - '3.13'
       fail-fast: false
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}