Update cimg/python Docker tag to v3.11 (#11902)
Update cimg/python Docker tag to v3.11 (#11902)

Co-authored-by: renovate[bot] <1d2c67ad0e3429d16690809152e1083ff6af8a05@users.noreply.github.com>
mozilla/addons-frontend,mozilla/addons-frontend,mozilla/addons-frontend,mozilla/addons-frontend