Automatic merge from submit-queue

Fix OSX hyperkube packaging with updated "mktemp -d" usage

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**What this PR does / why we need it**:

Before this patch, the ```make release``` command does not finish successfully. The reason is the ```kube::release::package_hyperkube``` can't succeed, because the usage of ```mktemp -d``` needs to be updated for OSX version of ```mktemp```

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, #<issue_number>, ...)` format, will close that issue when PR gets merged)*:
didn't find any existing issues

**Special notes for your reviewer**:

**Release note**:
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The PR title sounds good enough for the release note