chore(deps): update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/pylint.yml

@@ -9,7 +9,7 @@ jobs:
       matrix:
         python-version: ["3.8", "3.9", "3.10"]
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v6
       with:

.github/workflows/python-package.yml

@@ -19,7 +19,7 @@ jobs:
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12",]
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v6
       with: