JetStream2.2 contains couple fixes, let's add JetStream2.2 plan file and make it default plan file for JestStream2.
<rdar://problem/123915656>
Pull request: https://github.com/WebKit/WebKit/pull/25361
Committed 275571@main (b854fb908474): <https://commits.webkit.org/275571@main> Reviewed commits have been landed. Closing PR #25361 and removing active labels.