Stop using Vector::unsafeAppendWithoutCapacityCheck() in SamplingProfiler.cpp.
Pull request: https://github.com/WebKit/WebKit/pull/20351
Committed 270581@main (2bff18447c28): <https://commits.webkit.org/270581@main> Reviewed commits have been landed. Closing PR #20351 and removing active labels.
<rdar://problem/118263598>