feat: Update llama.cpp

Author: abetlen

llama_cpp/llama_cpp.py

@@ -1505,6 +1505,14 @@ def llama_model_has_encoder(model: llama_model_p, /) -> bool:
     ...
 
 
+# // Returns true if the model contains a decoder that requires llama_decode() call
+# LLAMA_API bool llama_model_has_decoder(const struct llama_model * model);
+@ctypes_function("llama_model_has_decoder", [llama_model_p_ctypes], ctypes.c_bool)
+def llama_model_has_decoder(model: llama_model_p, /) -> bool:
+    """Returns true if the model contains a decoder that requires llama_decode() call"""
+    ...
+
+
 # // For encoder-decoder models, this function returns id of the token that must be provided
 # // to the decoder to start generating output sequence. For other models, it returns -1.
 # LLAMA_API llama_token llama_model_decoder_start_token(const struct llama_model * model);