[AccessorySetupKit] Update to Xcode 26 beta 1-5.#23528

rolfbjarne merged 3 commits intoxcode26.0dotnet/macios:xcode26.0from

dev/rolf/s/xcode26.0-b12345-accessorysetupkitdotnet/macios:dev/rolf/s/xcode26.0-b12345-accessorysetupkitCopy head branch name to clipboard