OpenSSH: Update to 10.5p1HEADmain

This release contains security fixes and small bugfixes.

Full release notes are available at
https://www.openssh.com/txt/release-10.5.

Selected items from the release notes:

Security
========

 * ssh-agent(1): fix an interaction between agent locking and the
   session-bind@openssh.com extension that is used to identify
   forwarded agents. These binding requests were refused when the
   agent was locked, with the result that operations that were
   intended to be limited to local use only could be performed
   remotely, including the ability to add PKCS#11 tokens and make
   use of keys that had destination restrictions applied.
   Reported by sn0x-sharma

 * ssh(1): avoid potential realloc use-after-free in the client if a
   remote forwarding is added via the local session multiplexing
   socket while a remote forwarding open request is pending with the
   server. Report and fix from Brian Mingus of Cognatory

 * sshd(8): make the authorized_keys "restrict" keyword apply
   correctly to tunnel forwarding too (which is administratively
   disabled by default). Reported by Erichen, Institute of Computing
   Technology, Chinese Academy of Sciences
    
New features
------------

 * ssh-keygen(1): add ability to set or clear the touch-required and
   verify-required flags on FIDO private keys when resetting a
   private key's passphrase.

 * ssh(1): tweak ordering of certificates tried during pubkey
    authentication to prefer FIDO keys that do not require user
    presence (touch) first, and FIDO keys that require user
    verification via PIN or biometrics last. This effectively tries
    low-friction authenticators before higher friction ones.

 * ssh(1): add a "ssh -Z user@host" mode that prints the keys that
   will be tried for public key authentication in the order that
   they will be used.
    
 * sshd(8) use setproctitle(3) to identify sshd-session when its
   acting as a post-authentication monitor.
    
Sponsored by:	The FreeBSD Foundation

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