Update opus, pffft, rnnnoise, libyuv and libsrtp to M120
<rdar://problem/119182315>
Pull request: https://github.com/WebKit/WebKit/pull/21326
Committed 271602@main (a2cf7678db2b): <https://commits.webkit.org/271602@main> Reviewed commits have been landed. Closing PR #21326 and removing active labels.