[CI] Update actions/setup-python action to v6 (#6114)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -23,7 +23,7 @@ jobs:
         with:
           version: v3.12.0
 
-      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
+      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: '3.13'
 

.github/workflows/renovate-custom-hooks.yaml

@@ -27,7 +27,7 @@ jobs:
           app-id: 1179738
           private-key: ${{ secrets.APP_RENOVATE_HELPER_PRIVATE_KEY }}
 
-      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
+      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: '3.13'