libssh: Update to version 0.11.1 - fixes min cmake version

libssh: Update to version 0.11.1 - fixes min cmake version

- Update from version 0.10.6 to 0.11.1
- Update of rootfile
- Changelog
    0.11.1
	 * Fixed default TTY modes that are set when stdin is not connected to tty (#270)
	 * Fixed zlib cleanup procedure, which could crash on i386
	 * Various test fixes improving their stability
	 * Fixed cygwin build
    0.11.0
	  * Deprecations and Removals:
	    * Dropped support for DSA
	    * Deprecated Blowfish cipher (will be removed in next release)
	    * Deprecated SSH_BIND_OPTIONS_{RSA,ECDSA}KEY in favor of generic HOSTKEY
	    * Removed the usage of deprecated OpenSSL APIs (Note: Minimum supported
	      OpenSSL version is 1.1.1)
	    * Disabled preauth compression (zlib) by default
	    * Support for pkcs#11 engines are deprecated, pkcs11-provider is used instead
	    * Deprecation of old async SFTP API
	    * libgcrypt cryptographic backend is deprecated
	    * Deprecation of knownhosts hashing
	  * SFTP Improvements:
	    * Added support for async SFTP IO
	    * Added support for sftp_limits() and applied capping to SFTP read/write
	      operations accordingly
	    * Added sftp_home_directory() API support for sftp extension "home-directory"
	    * Added sftp_lsetstat() API for lsetstat extensions
	    * Added sftp_expand_path() to canonicalize path using expand-path@openssh.com
	      extension
	    * Implemented stat and realpath in sftpserver
	    * Added sftp_readlink() API to support hardlink@openssh.com
	    * New extensible callback based SFTP server
	    * Introduced the posix-rename@openssh.com extension
	  * New functions and features:
	    * Added support for PKCS #11 provider for OpenSSL 3.0
	    * Added testing for GSSAPI Authentication
	    * Implemented proxy jump using libssh
	    * Recategorized loglevels to show fatal errors and alignment with OpenSSH
	      log levels
	    * Added ssh_channel_request_pty_size_modes() API to set terminal modes for
	      PTYs
	    * Added function to check username syntax
	    * Added support to check all keys in authorized_keys instead of one in
	      example server implementation
	    * Handled hostkey similar to OpenSSH
	    * Added ssh_session_socket_close() API in order to not close socket passed
	      through options on error conditions
	    * Added option SSH_BIND_OPTIONS_IMPORT_KEY_STR to read user-supplied key
	      string in ssh_bind_options_set()
	    * Improved log handling around ssh_set_callbacks
	    * Added ssh_set_error_invalid in ssh_options_set()
	    * Prevented signature blob to start with 1 bit in libgcrypt
	    * Added support to unbreak key comparison of Ed25519 keys imported from PEM
	      or OpenSSH container
	    * Added support to calculate missing CRT parameters when building RSA key
	    * Added ssh_pki_export_privkey_base64_format() and
	      ssh_pki_export_privkey_file_format() to support exporting keys in different
	      formats (PEM, OpenSSH)
	    * Added support to compare certificates and handle automatic certificate
	      authentication
	    * Added support to make compile-commands generation conditional
	    * Built fuzzers for normal testing
	    * Avoided passing other events to callbacks when called recursively
	    * Added control master and path options
	    * Refactored channel_rcv_data, check for errors and report more useful errors
	    * Added support to connect to other host addresses than just the first one
	    * Terminated the server properly when the MaxAuthTries is reached
	    * Added support for no-more-sessions@openssh.com request in both client and
	      server
	    * Added callback to support forwarded-tcpip requests
	    * Bumped minimal CMake version to 3.12
	    * Added support for MBedTLS 3.6.x
	    * Added support for +,-,^ modifiers in front of algorithm lists in options
	    * Added callbacks for channel open response, and channel request response
	    * Replaced chroot() from chroot_wrapper internal library with chroot()
	      from priv_wrapper package
	    * Added a placeholder for non-expanded identities
	    * Improved handling of channel transfer window sizes

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>