Updates authorized_key.py to be used with FIDO2 security keys.

Last try had a space at the end for some weird reason.

plugins/modules/authorized_key.py

@@ -392,6 +392,7 @@ def parsekey(module, raw_key, rank=None):
         'ecdsa-sha2-nistp521',
         'ssh-dss',
         'ssh-rsa',
+        'sk-ecdsa-sha2-nistp256@openssh.com',
     ]
 
     options = None   # connection options