Also set xcode back to xcode 13 for iOS 14. Change-Id: Ic5475d274895b5f86e4fea36805dec4486adc79b Bug: b/264630045 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/290894 Commit-Queue: Jeremy Leconte <jleconte@google.com> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39094}