cmake: Set minimum required Zephyr SDK version to 0.13.1

This commit sets the minimum required Zephyr SDK version to 0.13.1,
which fixes the following critical issues:

1. Xtensa initial malloc failure (GitHub issue #38258)
2. ARMv8-M security extension vulnerability (CVE-2021-35465)

Signed-off-by: Stephanos Ioannidis <[email protected]>

Author: stephanosio

cmake/verify-toolchain.cmake

@@ -16,7 +16,7 @@
 # FORMAT=json: Print the output as a json formatted string, useful for Python
 
 # This is the minimum required Zephyr-SDK version which supports CMake package
-set(TOOLCHAIN_ZEPHYR_MINIMUM_REQUIRED_VERSION 0.13)
+set(TOOLCHAIN_ZEPHYR_MINIMUM_REQUIRED_VERSION 0.13.1)
 
 # Set internal variables if set in environment.
 if(NOT DEFINED ZEPHYR_TOOLCHAIN_VARIANT)