🐛 Fix rollout with unavailable machines #13020
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internal/controllers/machinedeployment/machinedeployment_rollout_rollingupdate_test.go
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LGTM label has been added. Git tree hash: 4c25fd01ebb92a1a17a28397c31f67ac359608d4
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: sbueringer The full list of commands accepted by this bot can be found here. The pull request process is described here
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What this PR does / why we need it:
This PR fixes how rollout planners handles case when a rollout starts and all the machines are unavailable (or there are already many available machines).
The fix ensure the system slows down and eventually stops a rollout if the machine deployments is transitioning to a broken state (new MS has unavailable replicas)
/area machinedeployment