Update actions/setup-python action to v6

Author: renovate[bot]

.github/workflows/lint-build.yaml

@@ -13,7 +13,7 @@ jobs:
         uses: actions/checkout@v5.0.0
 
       - name: Set up Python
-        uses: actions/setup-python@v5.6.0
+        uses: actions/setup-python@v6.0.0
         with:
           python-version: 3.13