[fuzz] bump Thread version to 1.3 (#8145)
[fuzz] bump Thread version to 1.3 (#8145)

srickardti/openthread,srickardti/openthread,jwhui/openthread,openthread/openthread,jwhui/openthread,jwhui/openthread,openthread/openthread,openthread/openthread,jwhui/openthread,openthread/openthread,srickardti/openthread,srickardti/openthread