Allow Oxidized to anonymize configs rather than strip secrets with netconan

[ankenyr]

Netconan allows for lots of secrets and even IPs to be replaced with anonymized values. These values are helpful for when you want to share configs with "valid" information but do not want to relinquish real keys. It can for example replace IPSec keys with new keys that would work but are not your own actual keys.

This feature would add a new config that is mutually exclusive with the remove_secrets option called anonymize_secrets. When ran a salt will be selected and used with the python application netconan to anonymize the files. Once anonymized they will be forwarded on to the storing process that oxidized uses.

Let me know your thoughts and I will contribute the code myself.

[github-actions[bot]]

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