Update go-sendxmpp to version 0.5.3 / rev 2 via SR 1006976
    
    https://build.opensuse.org/request/show/1006976
    by user jubalh + RBrownFactory
    - Update to version 0.5.3:
      * Prepare release v0.5.3
      * Don't check for empty message in listen mode.
      * Start new development cycle.
      * Release v0.5.2
      * Update go modules.
      * Don't connect to the XMPP server if the message is empty
      * Update go modules.
      * Remove another "little".
      * Remove the "little".
      * Fix typo.
      * Improve error handling in XML parsing.
      * Update go modules.
      * Update go modules.
      * Update go modules.
      * Update go modules.
      * Update go modules.
      * Update go modules.
      * Update go modules.
      * Use resource as alias if specified and no alias is specified.
      * Update go modules.
      * Deprecate resource setting and introduce alias setting.
      * Update go modules.
      * Detect CNAME loops.
      * Update go modules.
      * Perform CNAME look ups.
      * Update go modul