manifest: updated openthread module
manifest: updated openthread module

Regular upmerge of openthread module.

Signed-off-by: Kamil Kasperczyk <da8d88c0da8d472d67a93e46285ba436c0734d1d@nordicsemi.no>

zephyrproject-rtos/zephyr,nashif/zephyr,nashif/zephyr,nashif/zephyr,nashif/zephyr,Vudentz/zephyr,Vudentz/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,galak/zephyr,Vudentz/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,Vudentz/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,finikorg/zephyr,galak/zephyr,nashif/zephyr,Vudentz/zephyr,Vudentz/zephyr,finikorg/zephyr