Troubleshoot IBM Cloud Windows tests failing

[feloy]

On Windows, when sending the Ctrl-C signal to the odo dev process to stop it, we firt need to set a specific attribute on the process (CREATE_NEW_PROCESS_GROUP), or the parent process will also receive the signal.

By changing from CmdRunner() to Cmd().Runner() in commit (224069c), setSysProcAttr in CmdRunner() is not called anymore.

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Windows Tests (OCP) on commit cb3c2bb finished successfully.
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OpenShift Tests on commit cb3c2bb finished successfully.
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[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

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[anandrkskd]

/lgtm
/approve

[openshift-ci]

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