ReadableStreamDefaultReader.releaseLock is now rejecting pending read promises
<rdar://problem/107263837>
Pull request: https://github.com/WebKit/WebKit/pull/12003
Committed 262207@main (f8ae40c2a74e): <https://commits.webkit.org/262207@main> Reviewed commits have been landed. Closing PR #12003 and removing active labels.