iOS 15.5 is not tested anymore and we start to test on iOS 18.0. Change-Id: Ia7340d25f6cf8480763ea689db267c0c9a843319 Bug: b/353975341 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/357640 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Commit-Queue: Jeremy Leconte <jleconte@google.com> Cr-Commit-Position: refs/heads/main@{#42659}