Merge topic 'backport-ci-xcode-26'

9d302ecd47 ci: update macOS jobs to use Xcode 26.0 in CMake 3.31 branch
f6f1c5ca1f Tests: Teach RunCMake to ignore Xcode an IDERunDestination warning

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !11292