PSA: llama.cpp PR #30100 provides a huge improvement in accuracy for Clef models on MacOS / Metal

If you are on MacOS and using Clef models, make sure you are on the latest llama.cpp build.

Initial support for Cloudflare Clef models had a major issue, causing very low accuracy on MacOS. This has now been fixed in b11476 onward.

PR link: https://github.com/ggml-org/llama.cpp/pull/30100