chore(deps): update python docker tag to v3.13.9 (#599)

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

Author: renovate[bot]

renovate.Dockerfile

@@ -26,4 +26,4 @@ ENV PYTHON_VERSION=3.12.12
 
 # EOL 2029-10
 # renovate: datasource=docker depName=python versioning=docker
-ENV PYTHON_VERSION=3.13.8
+ENV PYTHON_VERSION=3.13.9