Update python-asyncssh to version 2.13.0 / rev 20 via SR 1056282
    
    https://build.opensuse.org/request/show/1056282
    by user dirkmueller + dimstar_suse
    - update to 2.13.0:
      * Updated testing and coverage to drop Python 3.6 and add Python 3.11.
      * Added new "recv_eof" option to not pass an EOF from a channel to a
        redirected target, allowing output from multiple SSH sessions to be
        sent and mixed with other direct output to that target.
      * Added new methods to make it easy to perform forwarding between TCP
        ports and UNIX domain sockets.
      * Added a workaround for a problem seen on a Huawei SFTP server where
        it sends an invalid combination of file attribute flags.
      * Fixed an issue with copying files to SFTP servers that don't support
        random access I/O.
      * Fixed an issue when requesting remote port forwarding on a dynamically
        allocated port.
      * Fixed an issue where readexactly could block indefinitely when a signa