Use Encryption Provider for Secret Encrpytion

[leakingtapan]

Is your feature request related to a problem?/Why is this needed
Putting AWS secrets in secret manifest is not a best practice, we should use encryption provider to encryption keys at rest.

[leakingtapan]

Need to consider parallel effort of Pod identity: aws/containers-roadmap#23

[fejta-bot]

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/lifecycle stale

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/lifecycle rotten

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[k8s-ci-robot]

@fejta-bot: Closing this issue.

In response to this:

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/close

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