Update stellarium to rev 38 via SR 759889
    
    https://build.opensuse.org/request/show/759889
    by user dimstar_suse
    Using mode='localonly' in the _service file
    
    - Update to version 0.19.3
      * The major changes of this version:
      * Direct ASCOM support for Telescope Control plugin on Windows
      * Refactoring the GUI
      * Many improvements in the code
      * Added many DSO textures
      * Improvements in DSO catalog
      * Many improvements in AstroCalc tool