refactor(ssh-keys): Update ssh-keys register, show and delete to egos…

[mlec1]

Update ssh-keys register, show and delete to egoscale v3

Checklist

(For exoscale contributors)

• Changelog updated (under Unreleased block)
• Testing

Testing

root@65df3c390733:/cli# go run . compute ssh-key register test ./id_test.pub 
 ✔ Registering SSH key "test"... 0s
┼─────────────┼─────────────────────────────────────────────────┼
│   SSH KEY   │                                                 │
┼─────────────┼─────────────────────────────────────────────────┼
│ Name        │ test                                            │
│ Fingerprint │ 6c:e0:04:f9:0b:fd:38:d1:c2:96:14:f9:ed:99:ff:01 │
┼─────────────┼─────────────────────────────────────────────────┼
root@65df3c390733:/cli# go run . compute ssh-key show test
┼─────────────┼─────────────────────────────────────────────────┼
│   SSH KEY   │                                                 │
┼─────────────┼─────────────────────────────────────────────────┼
│ Name        │ test                                            │
│ Fingerprint │ 6c:e0:04:f9:0b:fd:38:d1:c2:96:14:f9:ed:99:ff:01 │
┼─────────────┼─────────────────────────────────────────────────┼
root@65df3c390733:/cli# go run . compute ssh-key delete test
[+] Are you sure you want to delete SSH key test? [yN]: y
 ✔ Deleting SSH key test... 0s