LibWeb: Make DOMException GC-allocated

Author: https://github.com/awesomekling
Commit: 497ead37bc
Pull-request: https://github.com/SerenityOS/serenity/pull/14816
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/linusg ✅

Userland/Libraries/LibWeb/Fetch/Infrastructure/HTTP/Bodies.h

@@ -11,6 +11,7 @@
 #include <AK/NonnullRefPtr.h>
 #include <AK/Optional.h>
 #include <AK/Variant.h>
+#include <LibJS/Heap/Handle.h>
 #include <LibWeb/FileAPI/Blob.h>
 
 namespace Web::Fetch::Infrastructure {