Upgraded Checkstyle version to 8.22
Upgraded Checkstyle version to 8.22

lgoldstein/mina-sshd,lgoldstein/mina-sshd,lgoldstein/mina-sshd,apache/mina-sshd,apache/mina-sshd,apache/mina-sshd,apache/mina-sshd,lgoldstein/mina-sshd