bump llama.cpp submodule to b8310

AsbjornOlling · AsbjornOlling · commit b0540757fce0 · 2026-03-16T16:29:48.000+01:00
diff --git a/llama-cpp-sys-2/llama.cpp b/llama-cpp-sys-2/llama.cpp
@@ -1 +1 @@
-Subproject commit c5a778891ba0ddbd4cbb507c823f970595b1adc2
+Subproject commit 246ffc4b057504712272433b035afefc78457cda
