Feat(rust): Add support for encryption of validation data

[ClausHolbechArista]

Change Summary

Add support for encryption of validation data

Component(s) name

A bit here and there

Proposed changes

• Add encrypt crate with support for aes-256-gcm
• Expose raw encrypt/decrypt/get_key functions in pypasswords
• Add encryption key support to pyvalidation configuration and encryp/decrypt accordingly

How to test

• Added tests on all layers

Checklist

User Checklist

• N/A

Repository Checklist

• My code has been rebased from main before I start
• I have read the CONTRIBUTING document.
• I have updated testing accordingly. (check the box if not applicable)

[ClausHolbechArista]

we went a different route so closing this again.