Ability to renew TLS crt / key without changing content

### Is your feature request related to a problem?

We can't renew the TLS crt / key without providing changes to the content.

### Describe the solution you'd like

Hello,

I noticed it's currently not possible to renew TLS certificate and key without changing the content.
It would be a nice feature as renewing TLS doesn't always require content changes.

Have a nice day,
Kuaaaly

No file, test, or entry point is identified in the issue. Begin by locating the CLI's TLS certificate and key handling, then determine how renewal currently detects changes; done means renewal succeeds without changing certificate or key content, with coverage for that case.

Written by the indexing model from the issue text.