Update dependency python from 3.12.9 to 3.13 (.github/workflows/slack-pr-reminder.yml) (#12145)

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

Author: renovate[bot]

.github/workflows/slack-pr-reminder.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.12"
+          python-version: "3.13"
 
       - name: Install dependencies
         run: |