Update dependency llama-stack to v0.4.2

Signed-off-by: red-hat-konflux-kflux-prd-rh02 <190377777+red-hat-konflux-kflux-prd-rh02[bot]@users.noreply.github.com>

Author: red-hat-konflux-kflux-prd-rh02[bot]

pyproject.toml

@@ -49,7 +49,7 @@ dependencies = [
     # torch 2.5.x pairs with torchvision 0.20.x
     "torch>=2.5.0,<2.6.0",
     "torchvision>=0.20.0,<0.21.0",
-    "llama-stack==0.3.5",
+    "llama-stack==0.4.2",
     "llama-stack-client==0.3.5",
     "aiosqlite>=0.21.0",
     "sqlite-vec>=0.1.6",