[clang] [clang][analyzer] Add checker 'security.SetgidSetuidOrder' (PR #91445)

[Balázs Kéri via cfe-commits]

balazske wrote:

I added the `NoteTag` support now (instead of a next PR). The `checkDeadSymbols` is removed, it does really not matter if the data remains in the GDM and this way it is used to display the note tag only for the last `setuid` call.

https://github.com/llvm/llvm-project/pull/91445