#1396: Update XCode settings and Cmake to reflect AppleClang evolution
Some warnings that were previously only in LLVM Clang were now present in AppleClang.
GitLab upgrade completed. Current version is 18.5.4
https://about.gitlab.com/releases/2025/09/18/gitlab-18-4-released/
https://about.gitlab.com/releases/2025/10/16/gitlab-18-5-released/
Some warnings that were previously only in LLVM Clang were now present in AppleClang.