Merge topic 'ci-xcode-13.3' into release-3.23

65b6daf776 gitlab-ci: update macOS jobs to use Xcode 13.3
94361a1309 Tests: Ignore all classes in Xcode internal objc warnings
da9f864513 Tests: Teach RunCMake to ignore Xcode extension point warnings

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !7204