script: Pass &mut JSContext to FetchResponseListener::process_response_chunk (#43657)

Fixes #42841

Testing: It compiles

Signed-off-by: Tim van der Lippe <tvanderlippe@gmail.com>

components/script/dom/html/htmlscriptelement.rs

@@ -376,7 +376,12 @@ impl FetchResponseListener for ClassicContext {
         };
     }
 
-    fn process_response_chunk(&mut self, _: RequestId, mut chunk: Vec<u8>) {
+    fn process_response_chunk(
+        &mut self,
+        _: &mut js::context::JSContext,
+        _: RequestId,
+        mut chunk: Vec<u8>,
+    ) {
         if self.status.is_ok() {
             self.data.append(&mut chunk);
         }