Upgrade WebKit (#2643)

* Missing export

* Regenerate builtins

* Fix crash in require()

* Various breaking JSC changes

* hopefully speed up C++ compilation a little

* Skip failing test fo rnow

* Update WebKit

* Add a comment

* Fix error in postinstall

* Update WebKit

---------

Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>

src/bun.js/bindings/JSReadableHelper.cpp

@@ -12,6 +12,8 @@
 #include "headers.h"
 #include "JSDOMConvertEnumeration.h"
 #include "JavaScriptCore/StrongInlines.h"
+#include "BunClientData.h"
+
 namespace WebCore {
 using namespace JSC;