ci: re-enable gcc-14 + FIPS build in gcc-14-hardened job - #3428

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: ilammy/setup-nasm@v1.5.1, threeal/cmake-action@v2.1.0. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/