* ci : add AMD CPU label to PR labeler
Add automatic labeling for PRs that modify AMD CPU (ZenDNN) backend files
* ci : rename label AMD CPU to AMD ZenDNN in labeler config
Co-authored-by: Aaron Teo <taronaeo@gmail.com>
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Co-authored-by: Aaron Teo <taronaeo@gmail.com>
- adapt ggml-zendnn.cpp to the new lowoha::matmul interface
- update the ZenDNN git tag in CMake to the latest release (ZenDNN‑2026‑WW08)
- add static lib support in CMake