chore(deps): update actions/setup-python action to v6

Author: renovate[bot]

.github/workflows/update-from-submodule.yml

@@ -42,7 +42,7 @@ jobs:
           trust_level: 5
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.x'