Auto merge of #27088 - jdm:group, r=ferjm

Implement Console grouping APIs.

These are used by Hubs and other sites we want to run.

---
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #9274
- [x] These changes do not require tests because we can't test stdout content or devtools messages.

python/tidy/servo_tidy/tidy.py

@@ -90,6 +90,7 @@ WEBIDL_STANDARDS = [
     b"//drafts.csswg.org",
     b"//drafts.css-houdini.org",
     b"//drafts.fxtf.org",
+    b"//console.spec.whatwg.org",
     b"//encoding.spec.whatwg.org",
     b"//fetch.spec.whatwg.org",
     b"//html.spec.whatwg.org",