SSH debug1: send_pubkey_test: no mutual signature algorithm

I upgrade to mojave 10.14.2 and ssh don't work again!

```

23:01 $ ssh HOST -vvvv

OpenSSH_7.9p1, LibreSSL 2.7.3

debug1: Reading configuration data /Users/jacktang/.ssh/config

debug1: /Users/jacktang/.ssh/config line 216: Applying options for nextoken

debug1: Reading configuration data /etc/ssh/ssh_config

debug1: /etc/ssh/ssh_config line 48: Applying options for *

debug2: resolve_canonicalize: hostname 47.75.180.158 is address

debug1: auto-mux: Trying existing master

debug1: Authentications that can continue: publickey,password

debug3: start over, passed a different list publickey,password

debug3: preferred publickey,keyboard-interactive,password

debug3: authmethod_lookup publickey

debug3: remaining preferred: keyboard-interactive,password

debug3: authmethod_is_enabled publickey

debug1: Next authentication method: publickey

debug1: Offering public key: /Users/jacktang/.ssh/id_rsa RSA SHA256:0wHTbTeSh8/c8YoiIGzOr8g9C5v2rjFc6jtO3Gi+6c8 agent

debug1: send_pubkey_test: no mutual signature algorithm

debug2: we did not send a packet, disable method

debug3: authmethod_lookup password

debug3: remaining preferred: ,password

debug3: authmethod_is_enabled password

debug1: Next authentication method: password

```