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_bindings/codegen/Bindings.conf

@@ -18,6 +18,10 @@ DOMInterfaces = {
     'weakReferenceable': True,
 },
 
+'Attr': {
+    'canGc':['SetValue'],
+},
+
 'AudioBuffer': {
     'canGc':['CopyToChannel', 'GetChannelData'],
 },
@@ -452,7 +456,7 @@ DOMInterfaces = {
 },
 
 'Node': {
-    'canGc': ['CloneNode', 'SetTextContent'],
+    'canGc': ['AppendChild', 'ChildNodes', 'CloneNode', 'InsertBefore', 'Normalize', 'SetNodeValue', 'SetTextContent', 'RemoveChild', 'ReplaceChild'],
 },
 
 'NodeIterator': {