webkitgtk: update 2.48.3 bottle.

Author: BrewTestBot

Formula/w/webkitgtk.rb

@@ -11,8 +11,8 @@ class Webkitgtk < Formula
   end
 
   bottle do
-    sha256 arm64_linux:  "258067cbfa8db81af7bd585946a4a6620bbb73ca2f4a046fe896248d30817d5d"
-    sha256 x86_64_linux: "6de1424ad7bc7f0daab58ab47cac1c8640433283a537e14d0b66ccda9414c439"
+    sha256 arm64_linux:  "a20463eb5d50e1404ad6c62e5e06b9b232eb1f9f9b52dddc5ba48f044715c570"
+    sha256 x86_64_linux: "07b7feb68e5a235c2d5844ff3e9d6b9ee5f26029a1f4a0f22fc89cbb5390fd88"
   end
 
   depends_on "cmake" => :build