storageclasses: automate key rotation for encrypted RBD storageclasses

[black-dragon74]

This patch sets the key rotation annotation by default on encrypted RBD storageclasses.

[Madhu-1]

LGTM

[rewantsoni]

@black-dragon74 What about the day2 storageClass created by the user, will they be responsible for adding the key rotation annotation?

[black-dragon74]

@black-dragon74 What about the day2 storageClass created by the user, will they be responsible for adding the key rotation annotation?

Yes. This is only for the storageclasses that we create.

[black-dragon74]

@leelavg @rewantsoni PTAL. Requires one more ✅

[openshift-ci]

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This pull-request has been approved by: black-dragon74, leelavg, Madhu-1
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