LibWeb: Add calls to JS_{DECLARE,DEFINE}_ALLOCATOR()

Author: https://github.com/mattco98
Commit: 31341b280a
Pull-request: https://github.com/SerenityOS/serenity/pull/23878
Issue: https://github.com/SerenityOS/serenity/issues/23805
Reviewed-by: https://github.com/awesomekling

Userland/Libraries/LibWeb/Layout/TextNode.cpp

@@ -16,6 +16,8 @@
 
 namespace Web::Layout {
 
+JS_DEFINE_ALLOCATOR(TextNode);
+
 TextNode::TextNode(DOM::Document& document, DOM::Text& text)
     : Node(document, &text)
 {