Task/llm optimizations 3 - #1047

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744, github/codeql-action/analyze@8dca8a82e2fa1a2c8908956f711300f9c4a4f4f6, github/codeql-action/autobuild@8dca8a82e2fa1a2c8908956f711300f9c4a4f4f6, github/codeql-action/init@8dca8a82e2fa1a2c8908956f711300f9c4a4f4f6. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/