Log Message:
libssh: update to 0.106.

version 0.10.6 (released 2023-12-18)
 * Fix CVE-2023-6004: Command injection using proxycommand
 * Fix CVE-2023-48795: Potential downgrade attack using strict kex
 * Fix CVE-2023-6918: Missing checks for return values of MD functions
 * Fix ssh_send_issue_banner() for CMD(PowerShell)
 * Avoid passing other events to callbacks when poll is called recursively (#202)
 * Allow @ in usernames when parsing from URI composes