Log Message:
Pullup ticket #6271 - requested by leot
www/webkit-gtk: security fix

Revisions pulled up:
- www/webkit-gtk/Makefile                                       1.189
- www/webkit-gtk/PLIST                                          1.61
- www/webkit-gtk/distinfo                                       1.136

---
   Module Name:    pkgsrc
   Committed By:   leot
   Date:           Thu Jul  9 10:56:39 UTC 2020

   Modified Files:
           pkgsrc/www/webkit-gtk: Makefile PLIST distinfo

   Log Message:
   webkit-gtk: Update to 2.28.3

   Changes:
   2.28.3
   ======
    - Enable kinetic scrolling with async scrolling.
    - Fix web process hangs on large GitHub pages.
    - Bubblewrap sandbox should not attempt to bind empty paths.
    - Fix threading issues in the media player.
    - Fix several crashes and rendering issues.