Debian packaging release candidates for ggml and llama.cpp layers

diff --git a/sources/ggml b/sources/ggml
index 21b69cb17bd8f84096f3887e1fe5e8a8e37640a1..f6139c53a933a5ab3a6dca1686a916fb3049ac60 160000 (submodule)
--- a/sources/ggml
+++ b/sources/ggml
@@ -1 +1 @@
-Subproject commit 21b69cb17bd8f84096f3887e1fe5e8a8e37640a1
+Subproject commit f6139c53a933a5ab3a6dca1686a916fb3049ac60

diff --git a/sources/llama.cpp b/sources/llama.cpp
index 4de5c210630827455520f9778e26231dabb2ba79..426c1ef7df4104b071a386968bc7125f46b231d0 160000 (submodule)
--- a/sources/llama.cpp
+++ b/sources/llama.cpp
@@ -1 +1 @@
-Subproject commit 4de5c210630827455520f9778e26231dabb2ba79
+Subproject commit 426c1ef7df4104b071a386968bc7125f46b231d0