chore(copier): update template https://github.com/dafyddj/copier-ssf-ci to v2.11.7 - #173

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: poseidon/wait-for-status-checks@899c768d191b56eef585c18f8558da19e1f3e707. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/