Automatic merge from submit-queue (batch tested with PRs 46979, 47078, 47138, 46916)
Add a secretbox and AES-CBC path for encrypt at rest
Add a secretbox and AES-CBC encrypt at rest provider and alter the config, based on feedback from security review. AES-CBC is more well reviewed and generally fits better with common criteria and FIPS, secretbox is newer and faster than CBC.
```release-note
Add secretbox and AES-CBC encryption modes to at rest encryption. AES-CBC is considered superior to AES-GCM because it is resistant to nonce-reuse attacks, and secretbox uses Poly1305 and XSalsa20.
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