Add missing getResponseInformation() method to neutered JS API

Related issue:
- https://github.com/uBlockOrigin/uAssets/issues/8970

Adding the missing method does not solve the janky
scrolling, but does solve the spurious error messages
in the page's dev console.

src/web_accessible_resources/googletagservices_gpt.js

@@ -108,6 +108,7 @@
     p.getAttributeKeys = nooparrayfn;
     p.getCategoryExclusions = nooparrayfn;
     p.getDomId = noopstrfn;
+    p.getResponseInformation = noopnullfn;
     p.getSlotElementId = noopstrfn;
     p.getSlotId = noopthisfn;
     p.getTargeting = nooparrayfn;