Update actions/setup-python action to v6

Author: renovate[bot]

.github/workflows/release.yml

@@ -34,7 +34,7 @@ jobs:
           ref: ${{ inputs.branch_client_python }}
           path: client-python
       - name: setup python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: 3.11
       - name: Install dependencies