SSH キーを使用したログインが、"userauth_pubkey: key type ssh-dss not in PubkeyAcceptedKeyTypes [preauth]" というエラーにより失敗する

Issue

• ssh-keys を使用してログインできません。

Apr  7 11:58:02 examplehost sshd[983201]: Connection from 192.168.0.211 port 52306 on 192.242.130.89 port 22
Apr  7 11:58:02 examplehost sshd[983201]: userauth_pubkey: key type ssh-dss not in PubkeyAcceptedKeyTypes [preauth]
Apr  7 11:58:02 examplehost sshd[983201]: userauth_pubkey: key type ssh-dss not in PubkeyAcceptedKeyTypes [preauth]
Apr  7 11:58:02 examplehost sshd[983201]: Failed publickey for userbob from 192.168.0.211 port 52306 ssh2: RSA SHA256:PiwOSbk+...........
Apr  7 11:58:02 examplehost sshd[983201]: Failed publickey for userbob from 192.168.0.211 port 52306 ssh2: RSA SHA256:PiwOSbk+...........
Apr  7 11:58:02 examplehost sshd[983201]: Postponed keyboard-interactive for userbob from 192.168.0.211 port 52306 ssh2 [preauth]
Apr  7 11:58:02 examplehost sshd[983201]: Postponed keyboard-interactive for userbob from 192.168.0.211 port 52306 ssh2 [preauth]