Uppercase the auth mechanism name so it's always uppercased in logs.
Uppercase the auth mechanism name so it's always uppercased in logs.

damoxc/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,damoxc/dovecot,damoxc/dovecot,Distrotech/dovecot,damoxc/dovecot,damoxc/dovecot,Distrotech/dovecot