Fix retainKeys patchStrategy in apps/deployments #70436
Merged
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What type of PR is this?
/kind bug
What this PR does / why we need it:
The tests to ensure a deployment strategy can be switched from
rollbacktorecreatebykubectl applywithout explicitly clearing the rollback-related fields depends on theretainKeysmerge strategy.As part of switching to apps/v1, the tests that ensure that capability failed, and it was discovered the patch strategy was not set on apps deployments as expected.
Special notes for your reviewer:
Extracted from #70370 for easier review
xref #50296
/assign @kow3ns