[gnome-build-meta/mcatanzaro/webkitgtk-2.28.3-gnome-3-36] Update to WebKitGTK 2.28.3

[Michael Catanzaro <mcatanzaro src gnome org>]

commit cd551fa01a753673fe06525bcd1735e8e288e698
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Thu Jul 9 09:50:55 2020 -0500

    Update to WebKitGTK 2.28.3

 elements/sdk/WebKitGTK.bst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/elements/sdk/WebKitGTK.bst b/elements/sdk/WebKitGTK.bst
index 18a107b2..472f5c72 100644
--- a/elements/sdk/WebKitGTK.bst
+++ b/elements/sdk/WebKitGTK.bst
@@ -1,8 +1,8 @@
 kind: cmake
 sources:
 - kind: tar
-  url: webkitgtk_org:webkitgtk-2.28.2.tar.xz
-  ref: b9d23525cfd8d22c37b5d964a9fe9a8ce7583042a2f8d3922e71e6bbc68c30bd
+  url: webkitgtk_org:webkitgtk-2.28.3.tar.xz
+  ref: f0898ac072c220e13a4aee819408421a6cb56a6eb89170ceafe52468b0903522
 - kind: patch
   path: files/webkitgtk/gtk-doc-introspection-cross-compiling.patch
 - kind: local