Re-pin libsession-util e241a489 (dev: pro_renewal_target fetches a pr… - #66

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-node@v3, actions/setup-python@v4, hendrikmuhs/ccache-action@5ebbd400eff9e74630f759d94ddd7b6c26299639, pnpm/action-setup@41ff72655975bd51cab0327fa583b6e92b6d3061. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/