libssh: update to 0.105.

version 0.10.5 (released 2023-05-04)
* Fix CVE-2023-1667: a NULL dereference during rekeying with algorithm guessing
* Fix CVE-2023-2283: a possible authorization bypass in
  pki_verify_data_signature under low-memory conditions.
* Fix several memory leaks in GSSAPI handling code
* Escape braces in ProxyCommand created from ProxyJump options for zsh
  compatibility.
* Fix pkg-config path relocation for MinGW
* Improve doxygen documentation
* Fix build with cygwin due to the glob support
* Do not enqueue outgoing packets after sending SSH2_MSG_NEWKEYS
* Add support for SSH_SUPPRESS_DEPRECATED
* Avoid functions declarations without prototype to build with clang 15
* Fix spelling issues
* Avoid expanding KnownHosts, ProxyCommands and IdentityFiles repetitively
* Add support sk-* keys through configuration
* Improve checking for Argp library
* Log information about received extensions
* Correctly handle rekey with delayed compression
* Move the EC keys handling to OpenSSL 3.0 API
* Record peer disconnect message
* Avoid deadlock when write buffering occurs and we call poll recursively to
  flush the output buffer
* Disable preauthentication compression by default
* Add CentOS 8 Stream / OpenSSL 1.1.1 to CI
* Add accidentally removed default compile flags
* Solve incorrect parsing of ProxyCommand option

(wiz)