Windows Integration Script doesn't fail even if underlying executable fails

[CMCDragonkai]

Specification

Fix the windows integration job script that doesn't fail even when the underlying executable fails .

Additional context

• WIP: Demonstrating Native Addons #38 (comment) - discovered it here

Tasks

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[CMCDragonkai]

Too bad powershell doesn't make this easy: https://stackoverflow.com/questions/48864988/powershell-with-git-command-error-handling-automatically-abort-on-non-zero-exi/48877892#48877892

[CMCDragonkai]

We can use that function there to check if the command executed properly.

[CMCDragonkai]

May require sourcing that into the powershell.

[CMCDragonkai]

We may install something like: https://github.com/mklement0/Native and use iee.

[CMCDragonkai]

@tegefaulkes this will be required for any windows integration tests.

[CMCDragonkai]

Not relevant anymore. Will later be investigated under Polykey-CLI.