[gnome-build-meta/mcatanzaro/webkit-2.28.1-gnome-3-34] Upgrade to WebKitGTK 2.28.1

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 6230082aacf1c705558d1322d77dcc656e5e61f1
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Mon Apr 13 12:34:42 2020 -0500

    Upgrade to WebKitGTK 2.28.1

 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 6edbfbf4..dc8d7337 100644
--- a/elements/sdk/WebKitGTK.bst
+++ b/elements/sdk/WebKitGTK.bst
@@ -1,8 +1,8 @@
 kind: cmake
 sources:
 - kind: tar
-  url: webkitgtk_org:webkitgtk-2.28.0.tar.xz
-  ref: 361f3d178f62a9c112cbadfedd46106c34455c26d57a12a28fb3b09178d20e8b
+  url: webkitgtk_org:webkitgtk-2.28.1.tar.xz
+  ref: acbc26a3ed5c13f39e46875cf447a9c0541b6cfb17f9e7884323431cb327f3d8
 - kind: patch
   path: files/webkitgtk/gtk-doc-introspection-cross-compiling.patch
 - kind: local