ci: Update to Zephyr SDK 0.16.1

This commit updates the Zephyr SDK version to 0.16.1.

Signed-off-by: Stephanos Ioannidis <root@stephanos.io>

Author: stephanosio

Dockerfile.ci

@@ -3,7 +3,7 @@
 ARG BASE_IMAGE
 FROM ${BASE_IMAGE:-zephyrprojectrtos/ci-base:latest}
 
-ARG ZSDK_VERSION=0.16.1-rc1
+ARG ZSDK_VERSION=0.16.1
 ARG DOXYGEN_VERSION=1.9.4
 ARG RENODE_VERSION=1.13.3
 ARG LLVM_VERSION=16