[keyman] Rename onboard to onboard-keyman (keyman/#3966)
[keyman] Rename onboard to onboard-keyman (keyman/#3966)

Change-Id: I4d02f485eed74675002c561257e4824209f854de

sillsdev/ci-builder-scripts,sillsdev/ci-builder-scripts,sillsdev/ci-builder-scripts