Backport #6750 [CA] fix(hetzner): missing error return in scale up/down into CA 1.28 #7021
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What type of PR is this?
/kind bug
What this PR does / why we need it:
This PR is cherry-picked, which backports #6750 into CA 1.28
Which issue(s) this PR fixes:
Fixes #
Special notes for your reviewer:
Does this PR introduce a user-facing change?
Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.: