[AMD] Optimize KIMI-K3 with Triton MLA decode kernel by tuning the stage-1 geometry for gfx950 - #34580

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/labeler@v5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/