[Tech] Bump cryptography from 46.0.7 to 50.0.0 in /pipeline - #3044

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache@v4, docker/build-push-action@v6. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/