Update to upstream version 1.6.13 (bug fix release)

Detailed maintainer log:

• Update byte buddy (fix scripts execution under Java 9)
• Add icon and attribute conditions to style editor
• Skip node numbers on node sort and in some other cases
• Show creation modification in the status line
• Improve performance for many with many SVG icons
• Fix Java applet

PR: 225710
Submitted by: lbartoletti@tuxfamily.org (maintainer)