Spike: Can we disable GCM in the windows images?

In the discussion the question was raised, if we can disable GCM in the windows container images.

The impact of removing GCM is unclear.

Some notes:

• in gitlab-org/gitlab-runner@202ed8f5 we disabled parts of GCM (and potentially other credential helpers)
• we see a message Cannot prompt because user interactivity has been disabled.¹ from GCM: This might throw off some users
• This is slightly related to gitlab-org/gitlab-runner#38301 (closed)
• In non-windows images we don't install or enable any global credential helper

Outcomes:

• Investigate if GCM is needed in the container images
• Document the findings in this issue
• Create an issue to remove GCM from the container images, iff that's feasible

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¹