Update platforms for flaky intersection-observer/cross-origin-iframe-with-nesting.html

The test is flaky on mulriple mac and on arm64 win platforms:
https://ci.chromium.org/ui/test/chromium/ninja%3A%2F%2F%3Ablink_web_tests%2Fhttp%2Ftests%2Fintersection-observer%2Fcross-origin-iframe-with-nesting.html

Bug: 1450030
Change-Id: I2a05033050a4ad2a6e6c7a5abb690f1526e6dcb0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5582502
Auto-Submit: Andrey Kosyakov <caseq@chromium.org>
Commit-Queue: Peter Kvitek <kvitekp@chromium.org>
Reviewed-by: Peter Kvitek <kvitekp@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1307808}