sencha: remove submodule update depth when sync'ing cheriot-rtos
This fixes "fatal: transport 'file' not allowed" CI complaints.
Bypass-Presubmit-Reason: previously tested
Change-Id: I306a1051fad93c91e1bd7902d35cee703418c1c7
This is the project containing all the top-level build targets of all the projects within the GoB to set up the environment and build the e2e artifacts.
