sops has added support for rsa and ed25519 ssh keys

sops has added support for rsa and ed25519 ssh keys: [PR #1692](https://github.com/getsops/sops/pull/1692) merged for tag v3.10.0 [https://github.com/getsops/sops/releases/tag/v3.10.0](https://github.com/getsops/sops/releases/tag/v3.10.0) Beyond a small update needed in the README.md, does this impact this tool usage and the How-To if I were to use sops directly? ([ssh-to-age](https://github.com/Mic92/ssh-to-age/) does not seem to support rsa keys, so that's a plus for sops)