Update runner to support mixtral and mixture of experts (MoE) (#1475)

llm/llama.cpp/gguf

@@ -1 +1 @@
-Subproject commit 23b5e12eb5a76489b4c3ee22213a081da68b1809
+Subproject commit 948ff137ec37f1ec74c02905917fa0afc9b97514