Security update for dovecot22

This update for dovecot22 fixes the following issues CVE-2026-33603: login: base64 input can contain tabs that bypass IPC protection bsc1265147. CVE-2026-40020: IMAP folders can be shared-spammed to everyone bsc1265149. CVE-2026-42006: imap-login: uncontrolled memory usage with excessive bracing...