fix(types): correct `llama_set_adapters_lora` LoRA adapter ctypes sig…

…nature and use pointer for scales

- change scale: float to float* (POINTER(c_float))
- make adapters and scales optional arrays to match C API

Signed-off-by: JamePeng <jame_peng@sina.com>

fix(types): correct `llama_set_adapters_lora` LoRA adapter ctypes sig…

…nature and use pointer for scales

- change scale: float to float* (POINTER(c_float))
- make adapters and scales optional arrays to match C API

Signed-off-by: JamePeng <jame_peng@sina.com>

fix(types): correct `llama_set_adapters_lora` LoRA adapter ctypes sig…

…nature and use pointer for scales

- change scale: float to float* (POINTER(c_float))
- make adapters and scales optional arrays to match C API

Signed-off-by: JamePeng <jame_peng@sina.com>

fix(types): correct `llama_set_adapters_lora` LoRA adapter ctypes sig…

…nature and use pointer for scales

- change scale: float to float* (POINTER(c_float))
- make adapters and scales optional arrays to match C API

Signed-off-by: JamePeng <jame_peng@sina.com>

fix(types): correct `llama_set_adapters_lora` LoRA adapter ctypes sig…

…nature and use pointer for scales

- change scale: float to float* (POINTER(c_float))
- make adapters and scales optional arrays to match C API

Signed-off-by: JamePeng <jame_peng@sina.com>