Update src/browser/webapi/element/Attribute.zig

Co-authored-by: Karl Seguin <karlseguin@users.noreply.github.com>

src/browser/webapi/element/Attribute.zig

@@ -633,7 +633,7 @@ pub const NamedNodeMap = struct {
         }
 
         fn getNames(self: *const NamedNodeMap, exec: *const js.Execution) !js.Array {
-            const names = try self.list().getNames(exec.call_arena);
+            const names = try self.list().getNames(exec.local_arena);
             var arr = exec.js.local.?.newArray(@intCast(names.len));
             for (names, 0..) |name, i| {
                 _ = try arr.set(@intCast(i), name, .{});