Updates test262 to https://github.com/tc39/test262/commit/63e81baf5ba594aeec05782f85e6362f5cf06f3f
Pull request: https://github.com/WebKit/WebKit/pull/30940
Committed 281094@main (84550f72bb1b): <https://commits.webkit.org/281094@main> Reviewed commits have been landed. Closing PR #30940 and removing active labels.
<rdar://problem/132024661>