Add CanGc as arguments in methods in Attr and Node (#36371)

Add CanGc as argument to methods in `Attr` and `Node`.

Addressed part of https://github.com/servo/servo/issues/34573.

---

- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes do not require tests because they are a refactor.

Signed-off-by: Yerkebulan Tulibergenov <yerkebulan@gmail.com>

components/script/dom/htmlelement.rs

@@ -532,11 +532,13 @@ impl HTMLElementMethods<crate::DomTypeHolder> for HTMLElement {
         if fragment.upcast::<Node>().children_count() == 0 {
             let text_node = Text::new(DOMString::from("".to_owned()), &document, can_gc);
 
-            fragment.upcast::<Node>().AppendChild(text_node.upcast())?;
+            fragment
+                .upcast::<Node>()
+                .AppendChild(text_node.upcast(), can_gc)?;
         }
 
         // Step 6: Replace this with fragment within this's parent.
-        parent.ReplaceChild(fragment.upcast(), node)?;
+        parent.ReplaceChild(fragment.upcast(), node, can_gc)?;
 
         // Step 7: If next is non-null and next's previous sibling is a Text node, then merge with
         // the next text node given next's previous sibling.
@@ -670,7 +672,7 @@ fn append_text_node_to_fragment(
     let text = Text::new(DOMString::from(text), document, can_gc);
     fragment
         .upcast::<Node>()
-        .AppendChild(text.upcast())
+        .AppendChild(text.upcast(), can_gc)
         .unwrap();
 }
 
@@ -1016,7 +1018,10 @@ impl HTMLElement {
                     }
 
                     let br = HTMLBRElement::new(local_name!("br"), None, &document, None, can_gc);
-                    fragment.upcast::<Node>().AppendChild(br.upcast()).unwrap();
+                    fragment
+                        .upcast::<Node>()
+                        .AppendChild(br.upcast(), can_gc)
+                        .unwrap();
                 },
                 _ => {
                     // Collect a sequence of code points that are not U+000A LF or U+000D CR from