Log Message:
Update to 2.044

Upstream changes:
2.044     2022-11-16

    - Added support for QR codes.

    - [GH-44] The X coordinate returned by $text->position() or (deprecated)
      $text->textpos() was incorrect when read after being set twice (report by
      Johan Vromans).

    - [GH-45] Renamed transform's "relative" option to \ 
"repeat" and fixed the
      documentation describing what it does (report by Johan Vromans).

    - [GH-49] Fix page_layout storing its value as page_mode (report by Johan
      Vromans).

    - [GH-50] Fix $pdf->viewer_preferences to return the same values it accepts
      for non_full_screen_page_mode (report by Johan Vromans).

    - Minor doc clarifications and improved error messages.